added GitPython

Author: Saumya-R

.github/workflows/codeql-multiple-repo-scan.yml

@@ -53,7 +53,7 @@ jobs:
       - name: Install Python dependencies
         run: |
           python3 -m pip install --upgrade pip
-          pip3 install --break-system-packages pyyaml jsonpath-ng jsonschema jsonpatch jsonpointer pytest sarif-tools
+          pip3 install --break-system-packages pyyaml jsonpath-ng jsonschema jsonpatch jsonpointer pytest sarif-tools GitPython
       - name: Parse known_good.json and create repos.json
         id: parse-repos
         run: |