publish-npm: use latest-v<major> tag for older versions

Author: grzegorzkrukowski

publish-npm/action.yml

@@ -79,12 +79,12 @@ runs:
             echo "Skipping publish: $name@$version is already in the registry"
         else
             # Use `latest` only when our version is strictly newer than the registry's
-            # current latest; otherwise publish the older version under a `latest-<major>`
+            # current latest; otherwise publish the older version under a `latest-v<major>`
             # tag so it stays installable without moving `latest`.
             if [[ -z "$latest_version" ]] || semver "$version" -r ">$latest_version" --include-prerelease; then
                 tag="latest"
             else
-                tag="latest-${version%%.*}"
+                tag="latest-v${version%%.*}"
                 echo "::notice ::$version is not newer than registry latest ($latest_version); publishing under '--tag $tag'"
             fi