chore(ci): fix post release workflow (#1638)

Author: dreamorosi

Diff for: .github/workflows/post-release.yml

@@ -24,6 +24,15 @@ jobs:
       RELEASE_VERSION: ${{ inputs.versionNumber }}
     steps:
       - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab  # v3.5.2
+      - name: Get release version
+        run: |
+          # The code below does the following:
+          # 1. If the workflow was triggered manually, it will use the version number provided by the user
+          # 2. If the workflow was triggered by a release, it will use the version number of the release
+          if [ -z "$RELEASE_VERSION" ]; then
+            export RELEASE_VERSION=$(git describe --tags --abbrev=0)
+          fi
+          echo "RELEASE_VERSION=$RELEASE_VERSION" >> $GITHUB_ENV
       - name: Update issues related to release
         uses: actions/github-script@d7906e4ad0b1822421a7e6a35d5ca353c962f410 # v6.4.1
         with: