Removed matrix. git fix attempt.

Author: asadm

.github/workflows/push.yml

@@ -7,12 +7,13 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-18.04]
-        node: [8, 12, 13]
+        node: [13]
     steps:
     - uses: actions/checkout@v1
     - uses: actions/setup-node@v1
       with:
         node-version: ${{ matrix.node }}
     - run: yarn global add lerna
     - run: yarn install
+    - run: git config --global user.email "[email protected]"
     - run: yarn run test