Add timeouts to github actions.

Author: rudolfbyker

.github/workflows/black.yml

@@ -1,9 +1,10 @@
-name: Lint
+name: Lint with Black
 
 on: [push, pull_request]
 
 jobs:
-  lint:
+  black:
+    timeout-minutes: 10
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2

.github/workflows/publish.yml

@@ -6,6 +6,7 @@ on:
 
 jobs:
   deploy:
+    timeout-minutes: 20
 
     runs-on: ubuntu-latest