using newer checkout action

.github/workflows/build-aws-sdk-p2.yml

@@ -34,7 +34,7 @@ jobs:
         with:
           comment_on_pr: false
       - name: Check out the repository to the runner
-        uses: actions/checkout@v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           fetch-depth: '500'
       - name: Install JDK 8

.github/workflows/build-jetty-p2.yml

@@ -17,7 +17,7 @@ jobs:
           distribution: temurin
           java-version: 21
       - name: Check out the repository to the runner
-        uses: actions/checkout@v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           fetch-depth: '500'
       - name: Download Eclipse Platform Runtime

.github/workflows/build-sailing-base-p2.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: 'ubuntu-latest'
     steps:
       - name: Check out the repository to the runner
-        uses: actions/checkout@v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           fetch-depth: '500'
       - name: Install JDK 8

.github/workflows/create-docker-image.yml

@@ -30,7 +30,7 @@ jobs:
           PACKAGE="$OWNER_LOWER/$REPO_LOWER"
           echo "PACKAGE=${PACKAGE}" >> $GITHUB_OUTPUT
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           ref: ${{ github.event_name == 'workflow_dispatch' && github.workflow_dispatch.ref || github.event.workflow_run.head_branch }}
       - name: Set up QEMU

.github/workflows/merge-main-into-docker-25.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           ref: docker-25
           fetch-depth: 0  # fetch the whole thing to make sure the histories merge

.github/workflows/sync-upstream-eclipse.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout eclipse-main
-        uses: actions/checkout@v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           ref: eclipse-main
           fetch-depth: 0  # full history so the merge has a real base