Merge pull request #3730 from plotly/disable-typing-test-master

set test typing to not run on master

Author: T4rk1n

.github/workflows/testing.yml

@@ -94,6 +94,7 @@ jobs:
   test-typing:
     name: Typing Tests
     runs-on: ubuntu-latest
+    if: github.ref_name != 'master'
     needs: build
     timeout-minutes: 30
     strategy: