chore(deps): update actions/checkout action to v7 (#1011)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -22,7 +22,7 @@ jobs:
   format-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           submodules: true
           fetch-depth: 0
@@ -36,7 +36,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           submodules: true
           fetch-depth: 0
@@ -50,7 +50,7 @@ jobs:
   type-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           submodules: true
           fetch-depth: 0
@@ -67,7 +67,7 @@ jobs:
       matrix:
         node-version: ['lts/*']
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       with:
         submodules: true
         fetch-depth: 0
@@ -85,7 +85,7 @@ jobs:
       matrix:
         node-version: ['lts/*']
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       with:
         submodules: true
         fetch-depth: 0
@@ -107,7 +107,7 @@ jobs:
     runs-on: ${{ matrix.arch == 'amd64' && 'ubuntu-24.04' || 'ubuntu-24.04-arm' }}
     if: ${{ github.repository_owner == 'cryostatio' }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           submodules: true
           fetch-depth: 0

.github/workflows/push-ci.yaml

@@ -15,7 +15,7 @@ jobs:
     outputs:
       tag: ${{ steps.tag.outputs.tag }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - id: tag
         name: Get package.json version
         run: echo "tag=$(jq -r '.version' < package.json)" >> $GITHUB_OUTPUT