Update checkout v2 to v3 in CI manifests

.github/workflows/publish-binaries.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     # No need to check the version for dry run (cron)
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       # Check if the tag has the v<nmumber>.<number>.<number> format.
       # If yes, it means we are publishing an official release.
       # If no, we are releasing a RC, so no need to check the version.

.github/workflows/publish-deb-brew-pkg.yml

@@ -9,7 +9,7 @@ jobs:
     name: Check the version validity
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Check release validity
         run: bash .github/scripts/check-release.sh
 

.github/workflows/publish-docker-images.yml

@@ -12,7 +12,7 @@ jobs:
   docker:
     runs-on: docker
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       # Check if the tag has the v<nmumber>.<number>.<number> format. If yes, it means we are publishing an official release.
       # In this situation, we need to set `output.stable` to create/update the following tags (additionally to the `vX.Y.Z` Docker tag):