Refine Deploy docs triggers.

See gh-948

Author: mp911de

.github/workflows/docs-build.yml

@@ -5,7 +5,7 @@ on:
   push:
     branches: [ main ]
     branches-ignore: [ gh-pages, release ]
-    tags: [ * ]
+    tags: [ '*' ]
   repository_dispatch:
     types: request-build-reference # legacy
   #schedule: