Bump actions/checkout from 4 to 6

.github/dependabot.yml

@@ -8,7 +8,7 @@ updates:
     directory: "/"
     schedule:
       interval: "daily"
-#    ignore:      
+#    ignore:
 #      - dependency-name: "actions/checkout"
 #      - dependency-name: "actions/setup-python"
 #      - dependency-name: "actions/cache"

.github/workflows/codeql.yml

@@ -28,7 +28,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install Packages
         run: |

.github/workflows/intel.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-22.04
     if: github.event.pull_request.draft == false
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Install
       run: |
         sudo .github/workflows/dependencies/install_icx

.github/workflows/linux.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-22.04
     if: github.event.pull_request.draft == false
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Spack Cache
       uses: actions/cache@v3
       with: {path: /opt/spack, key: clang11_nopy_nompi_h5_libcpp_v2}
@@ -44,7 +44,7 @@ jobs:
     runs-on: ubuntu-22.04
     if: github.event.pull_request.draft == false
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Spack Cache
       uses: actions/cache@v3
       with: {path: /opt/spack, key: clang11_nopy_ompi_h5_ad2_libcpp_v2}
@@ -88,7 +88,7 @@ jobs:
     runs-on: ubuntu-22.04
     if: github.event.pull_request.draft == false
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Spack Cache
       uses: actions/cache@v3
       with: {path: /opt/spack, key: clang11_nopy_ompi_h5_ad2_v2 }
@@ -126,7 +126,7 @@ jobs:
     runs-on: ubuntu-22.04
     if: github.event.pull_request.draft == false
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Spack Cache
       uses: actions/cache@v3
       with: {path: /opt/spack, key: clang15_py311_nompi_h5_ad2_v2 }
@@ -167,7 +167,7 @@ jobs:
     runs-on: ubuntu-24.04
     if: github.event.pull_request.draft == false
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Spack Cache
       uses: actions/cache@v3
       with: {path: /opt/spack, key: gcc13_py312_mpich_h5_ad2 }
@@ -231,7 +231,7 @@ jobs:
     runs-on: ubuntu-22.04
     if: github.event.pull_request.draft == false
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Spack Cache
       uses: actions/cache@v3
       with: {path: /opt/spack, key: gcc12_py36_ompi_h5_ad2_v2 }
@@ -270,7 +270,7 @@ jobs:
     runs-on: ubuntu-22.04
     if: github.event.pull_request.draft == false
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Install
       run: |
         sudo apt-get update
@@ -314,7 +314,7 @@ jobs:
     container:
       image: quay.io/pypa/musllinux_1_2_x86_64
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Install
       run: |
         apk update
@@ -338,7 +338,7 @@ jobs:
     runs-on: ubuntu-22.04
     if: github.event.pull_request.draft == false
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: conda-incubator/setup-miniconda@v3
       name: Setup conda
       with:

.github/workflows/macos.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: macos-latest
     if: github.event.pull_request.draft == false
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Install
       run: |
         rm -rf /usr/local/bin/2to3
@@ -48,7 +48,7 @@ jobs:
     runs-on: macos-14
     if: github.event.pull_request.draft == false
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Install
       env: {MACOSX_DEPLOYMENT_TARGET: 11.0}
       run: |

.github/workflows/source.yml

@@ -10,7 +10,7 @@ jobs:
   style:
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Non-ASCII Characters
       run: .github/workflows/source/hasNonASCII
     - name: TABs
@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-22.04
     if: github.event.pull_request.draft == false
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: pyflakes
       run: |
         python3 -m pip install -U pyflakes
@@ -35,7 +35,7 @@ jobs:
   documentation:
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: conda-incubator/setup-miniconda@v3
       name: Setup conda
       with:
@@ -53,7 +53,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event.pull_request.draft == false
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: urls-checker
       uses: urlstechie/urlchecker-action@master
       with:

.github/workflows/tooling.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-24.04
     if: github.event.pull_request.draft == false
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Spack Cache
       uses: actions/cache@v3
       with: {path: /opt/spack, key: clangtidy19_nopy_ompi_h5_ad2 }
@@ -47,7 +47,7 @@ jobs:
     runs-on: ubuntu-24.04
     if: github.event.pull_request.draft == false
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Spack Cache
       uses: actions/cache@v3
       with: {path: /opt/spack, key: clang19_nopy_ompi_h5_ad2 }

.github/workflows/windows.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: windows-latest
     if: github.event.pull_request.draft == false
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Build & Install
       run: |
         python3.exe -m pip install --upgrade pip
@@ -33,7 +33,7 @@ jobs:
     runs-on: windows-latest
     if: github.event.pull_request.draft == false
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: actions/setup-python@v6
       name: Install Python
       with:
@@ -60,7 +60,7 @@ jobs:
     runs-on: windows-2022
     if: github.event.pull_request.draft == false
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: seanmiddleditch/gha-setup-ninja@master
     - name: Build & Install
       shell: cmd