Bump actions/checkout from 2 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v4)

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

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

.github/workflows/ci.yml

@@ -29,7 +29,7 @@ jobs:
       matrix:
         java: [ 11 ]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up JDK 11
       uses: actions/setup-java@v1
       with:
@@ -55,7 +55,7 @@ jobs:
       matrix:
         java: [ 11 ]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Install JDK {{ matrix.java }}
       # Uses sha for added security since tags can be updated
       uses: actions/setup-java@v3
@@ -84,7 +84,7 @@ jobs:
 #      matrix:
 #        java: [ 11 ]
 #    steps:
-#    - uses: actions/checkout@v3
+#    - uses: actions/checkout@v4
 #    - name: Install JDK {{ matrix.java }}
 #      # Uses sha for added security since tags can be updated
 #      uses: actions/setup-java@v3

.github/workflows/quarkus-snapshot.yaml

@@ -35,13 +35,13 @@ jobs:
           java-version: ${{ env.JAVA_VERSION }}
 
       - name: Checkout repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           path: current-repo
           ref: main
 
       - name: Checkout Ecosystem
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           repository: ${{ env.ECOSYSTEM_CI_REPO }}
           ref: main

.github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
           github-token: ${{secrets.GITHUB_TOKEN}}
           metadata-file-path: '.github/project.yml'
 
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Import GPG key
         id: import_gpg