case insensitive semver validation

.github/workflows/release.yml

@@ -97,7 +97,7 @@ jobs:
           echo "::set-output name=semVerNum::${SEM_VER_NUM}"
           echo "::set-output name=ppaVerStr::${SEM_VER_STR/-/\~}-${REVCOUNT}"
           echo "::set-output name=revNum::${REVCOUNT}"
-      - uses: rubenesp87/semver-validation-action@0.0.6
+      - uses: skymatic/semver-validation-action@v1
         with:
           version: ${{ steps.versions.outputs.semVerStr }}