Update python and GitHub actions

Updated python to 3.11 from 3.6 and updates actions checkout and python to v3 and v4

.github/workflows/testing_initiative.yml

@@ -33,7 +33,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: [2.7, 3.6, 3.7, 3.8, 3.9]
+        python-version: [2.7, 3.6, 3.7, 3.8, 3.9, 3.10, 3.11]
         no-coverage: [0]
         include:
           - os: ubuntu-latest
@@ -43,9 +43,9 @@ jobs:
             python-version: pypy-3.6
             no-coverage: 1
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up Python Env
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
       - name: Display Python version
@@ -88,11 +88,11 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python-version: [3.6]
+        python-version: [3.11]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up Python Env
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
       - name: Display Python version