chore(deps): update actions/checkout action to v6

Author: openvpn-inc-ci

.github/workflows/build.yaml

@@ -29,7 +29,7 @@ jobs:
 
     steps:
       - name: Checkout openvpn-build
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           fetch-depth: 0
           submodules: true
@@ -153,7 +153,7 @@ jobs:
           aws-region: ${{ env.AWS_REGION }}
 
       - name: Clone openvpn-windows-test repo
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           repository: openvpn/openvpn-windows-test
           ref: master
@@ -246,7 +246,7 @@ jobs:
 
     steps:
       - name: Checkout openvpn-build
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           fetch-depth: 0
           submodules: true

.github/workflows/depgraph.yaml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+    - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       with:
         submodules: 'recursive'
 
@@ -35,7 +35,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+    - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       with:
         submodules: 'recursive'
 

.github/workflows/renovate.yaml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - name: Self-hosted Renovate
         uses: renovatebot/github-action@c5fdc9f98fdf9e9bb16b5760f7e560256eb79326 # v44.0.2
         with: