Bump actions/checkout from 5 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/build-deb.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: "Checkout"
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       # Install packages necessary for building libcpr and package
     - name: "Update package list"
       run: sudo apt update

.github/workflows/build-nuget.yml

@@ -38,7 +38,7 @@ jobs:
       run: Write-Host "NuGet package version will be '$env:RELEASE_VERSION'."
 
     # ───────────────────────────── Repository & tools ────────────────────────────
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - uses: actions/setup-python@v6
 

.github/workflows/ci.yml

@@ -29,7 +29,7 @@ jobs:
       with:
         cmake-version: '3.22.x'
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: "Build & Test"
       env:
         CPR_BUILD_TESTS: ON
@@ -66,7 +66,7 @@ jobs:
       with:
         cmake-version: '3.22.x'
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: "Build & Test"
       env:
         CPR_BUILD_TESTS: ON
@@ -97,7 +97,7 @@ jobs:
       with:
         cmake-version: '3.22.x'
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: "Build & Test"
       env:
         CPR_BUILD_TESTS: ON
@@ -122,7 +122,7 @@ jobs:
     - name: Install Dependencies
       run: dnf install -y gcc g++ clang git make openssl-devel libcurl-devel cmake libpsl-devel libunistring-devel meson
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: "Build & Test"
       env:
         CPR_BUILD_TESTS: ON
@@ -152,7 +152,7 @@ jobs:
     - name: Install Dependencies
       run: dnf install -y gcc g++ clang git make openssl-devel libcurl-devel cmake libpsl-devel libunistring-devel meson
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: "Build & Test"
       env:
         CPR_BUILD_TESTS: ON
@@ -178,7 +178,7 @@ jobs:
     - name: Install Dependencies
       run: dnf install -y git gcc g++ make openssl-devel cmake libunistring-devel
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: "Build & Test"
       env:
         CPR_BUILD_TESTS: ON
@@ -208,7 +208,7 @@ jobs:
     - name: Install Dependencies
       run: dnf install -y gcc g++ clang git make openssl-devel libasan libubsan liblsan libtsan cmake libpsl-devel libunistring-devel meson
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: "Build & Test"
       env:
         CPR_BUILD_TESTS: ON
@@ -233,7 +233,7 @@ jobs:
     - name: Install meson
       run: pip install meson
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: "Build & Test"
       env:
         CMAKE_GENERATOR: "Visual Studio 17 2022"
@@ -257,7 +257,7 @@ jobs:
     - name: Install OpenSSL
       run: choco install openssl -y
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: "Build & Test"
       env:
         CMAKE_GENERATOR: "Visual Studio 17 2022"
@@ -282,7 +282,7 @@ jobs:
     - name: Install libpsl
       run: brew install libpsl
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: "Build & Test"
       env:
         CPR_BUILD_TESTS: ON
@@ -304,7 +304,7 @@ jobs:
     - name: Install libpsl
       run: brew install libpsl
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: "Build & Test"
       env:
         CPR_BUILD_TESTS: ON
@@ -329,7 +329,7 @@ jobs:
     - name: Install libpsl
       run: brew install libpsl
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: "Build & Test"
       env:
         CPR_BUILD_TESTS: ON
@@ -361,7 +361,7 @@ jobs:
     - name: Install libpsl
       run: brew install libpsl
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: "Build & Test"
       env:
         CPR_BUILD_TESTS: ON

.github/workflows/clang-format.yml

@@ -12,6 +12,6 @@ jobs:
     - name: Install clang-format
       run: sudo dnf install -y clang-tools-extra
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: Check format
       run: bash scripts/check_clang_format.sh

.github/workflows/clang-tidy.yml

@@ -14,7 +14,7 @@ jobs:
     - name: Install clang-tidy
       run: sudo dnf install -y clang-tools-extra
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: "[Release g++] Build & Test"
       env:
         CPR_BUILD_TESTS: ON

.github/workflows/cppcheck.yml

@@ -8,7 +8,7 @@ jobs:
     container: "fedora:latest" # Use fedora for an up to date version of cppcheck
     steps:
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: Update package list
       run: dnf update -y
     - name: Install Dependencies

.github/workflows/readme-updater.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: "Checkout"
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         ref: ${{github.sha}}
     - name: "Replace GIT_TAG"