Update gem-push.yml

Author: nicksterious

.github/workflows/gem-push.yml

@@ -9,7 +9,9 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-
+    run:
+      - git config --global user.email "[email protected]"
+      - git config --global user.name "master"
     steps:
       - uses: actions/checkout@v1