Update GitReleaseManager version spec

Author: mocsharp

.github/workflows/ci.yml

@@ -360,7 +360,7 @@ jobs:
       - name: Install GitReleaseManager
         uses: gittools/actions/gitreleasemanager/[email protected]
         with:
-          versionSpec: "0.13.x"
+          versionSpec: '0.18.x'
 
       - name: Create release with GitReleaseManager
         uses: gittools/actions/gitreleasemanager/[email protected]