fix: update version handling in gitlab-ci configuration

Check for the existence of the version file before reading it. 
If the file is missing, print a message and exit gracefully. 
This change improves the robustness of the CI pipeline by preventing 
errors when the version file is not present.

Release.gitlab-ci.yml

@@ -244,7 +244,11 @@ unbound_release_tag:
   - 'apk add --no-cache git jq curl'
   script:
   - |
-    VERSION="$(cat VERSION)"
+    if [ ! -r .version ]; then
+      echo "Version file not found"
+      exit 0
+    fi
+    VERSION="$(cat .version 2>/dev/null | jq -r '.version')"
     LATEST="$(git describe --abbrev=0 --tags 2>/dev/null || echo '')"
     if [[ -n "${LATEST}" && "${VERSION}" == "${LATEST}" ]]; then
       echo "Version ${VERSION} already exists"