version.json: Updated ref spec so tags can be built as releases. GitHub Actions checks out the tag when a tag is pushed, so this will ensure it has the same version as the local branch does.
diff --git a/version.json b/version.json
index 489db69..f343e81 100644
--- a/version.json
+++ b/version.json
@@ -10,7 +10,8 @@
   "publicReleaseRefSpec": [
     "^refs/heads/main$",
     "^refs/heads/master$",
-    "^refs/heads/release/v\\d+\\.\\d+\\.\\d+$"
+    "^refs/heads/release/v\\d+\\.\\d+\\.\\d+$",
+    "^refs/tags/v\\d+\\.\\d+\\.\\d+(?:-[^+]+)?$"
   ],
   "cloudBuild": {
     "buildNumber": {