fix(renovate): add missing matchStrings config (#1523)

* fix(renovate): add missing matchStrings config

* run prettier

Author: ricky-undeadcoders

.github/renovate.json5

@@ -17,6 +17,9 @@
       managerFilePatterns: [
         "/(?:^|/)\\.github/workflows/docker-build-push-multiarch.yml",
       ],
+      matchStrings: [
+        "uses:\\s*(?<depName>[a-zA-Z0-9_.\\-/]+)@(?<currentValue>[^\\s]+)",
+      ],
       datasourceTemplate: "github-actions",
     },
     {