Added git-secrets check to Github Actions (#270)

Co-authored-by: Gary Wicker <14828980+gkwicker@users.noreply.github.com>

.github/workflows/ci.yml

@@ -44,3 +44,23 @@ jobs:
       - name: URL Checker
         run: |
             bash kernel/.github/actions/url_verifier.sh kernel
+
+  git-secrets:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: recursive
+      - name: Checkout awslabs/git-secrets
+        uses: actions/checkout@v2
+        with:
+          repository: awslabs/git-secrets
+          ref: master
+          path: git-secrets
+      - name: Install git-secrets
+        run: cd git-secrets && sudo make install && cd ..
+      - name: Run git-secrets
+        run: |
+          git-secrets --register-aws
+          git-secrets --scan
+