chore(deps): 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)
- [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/backport-pr.yaml

@@ -87,7 +87,7 @@ jobs:
 
       - name: Checkout
         if: ${{ env.is_member == 'true' }} && ${{ env.milestone_exists == 'true' }} && ${{ env.target_branch_exists == 'true' }}
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ env.target_branch }}
           fetch-depth: '0'

.github/workflows/ci.yaml

@@ -14,7 +14,7 @@ jobs:
     name: ci
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/[email protected]
         with:
           go-version-file: go.mod

.github/workflows/codeql.yml

@@ -23,7 +23,7 @@ jobs:
       security-events: write
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: setupGo
       uses: actions/[email protected]
       with:

.github/workflows/dependabot.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Check out code into the Go module directory
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - uses: actions/[email protected]
       with:
         go-version-file: go.mod

.github/workflows/e2e-cleanup.yaml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Install eksctl

.github/workflows/e2e-image-publish.yaml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: setupGo

.github/workflows/e2e-short.yaml

@@ -20,7 +20,7 @@ jobs:
     runs-on: runs-on,runner=4cpu-linux-x64,run-id=${{ github.run_id }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: setupGo

.github/workflows/fetch-core-capi-airgapped.yml

@@ -15,7 +15,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
         with:
           ref: "${{ env.TURTLES_REF }}"
           token: ${{ env.GH_TOKEN }}

.github/workflows/golangci-lint.yaml

@@ -20,7 +20,7 @@ jobs:
         working-directory:
           - ""
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/[email protected]
         with:
           go-version-file: go.mod

.github/workflows/nightly-chart-and-image-publish.yaml

@@ -20,7 +20,7 @@ jobs:
       packages: write
     steps:
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0
     - name: Docker login
@@ -43,7 +43,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Install Helm