fix(test): Keep only Python 3.11 in GHAs

Remove unnecessary Python versions (3.8, 3.9 and 3.10) from GHAs matrix

.github/workflows/unit_tests.yml

@@ -23,10 +23,10 @@ jobs:
     steps:
     - name: Checkout Code
       uses: actions/checkout@v4
-    - name: Set up Python 3.8
+    - name: Set up Python 3.11
       uses: actions/setup-python@v5
       with:
-        python-version: 3.8
+        python-version: 3.11
         cache: pip
         cache-dependency-path: pyproject.toml
     - name: Pre-Commit
@@ -43,7 +43,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ "3.8", "3.9", "3.10", "3.11" ]
+        python-version: [ "3.11" ]
     timeout-minutes: 30
     steps:
     - name: Checkout Code
@@ -76,10 +76,10 @@ jobs:
     steps:
     - name: Checkout Code
       uses: actions/checkout@v4
-    - name: Set up Python 3.8
+    - name: Set up Python 3.11
       uses: actions/setup-python@v5
       with:
-        python-version: 3.8
+        python-version: 3.11
         cache: pip
         cache-dependency-path: pyproject.toml
     - name: Install dependencies