Add CI action to install package from commit hash (#1781) (#1790)

Author: ashwani99

.github/workflows/integration.yaml

@@ -70,3 +70,19 @@ jobs:
       - name: Run installed unit tests
         run: |
           bash .github/workflows/install_and_test.sh ${{ matrix.extension }}
+
+   install_package_from_commit:
+    name: Install package from commit hash
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ['3.6', '3.7', '3.8', '3.9', '3.10', 'pypy-3.7']
+    steps:
+      - uses: actions/checkout@v2
+      - name: install python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: install from pip
+        run: |
+          pip install --quiet git+${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}.git@${GITHUB_SHA}