update python version

Author: sathiya-nhs

.github/workflows/apigee-release-pipeline.yml

@@ -90,10 +90,10 @@ jobs:
           token="${token#\"}"
           echo "APIGEE_ACCESS_TOKEN=$token" >> $GITHUB_ENV
 
-      - name: Install Python 3.9
+      - name: Install Python 3.13
         uses: actions/setup-python@v5
         with:
-          python-version: 3.9
+          python-version: 3.13
 
       - name: Upgrade python packaging tools
         run: python -m pip install --upgrade pip cryptography

.github/workflows/continous-integration-workflow.yaml

@@ -14,10 +14,10 @@ jobs:
         with:
           fetch-depth: 0  # This causes all history to be fetched, which is required for calculate-version to function	
 
-      - name: Install Python 3.9
+      - name: Install Python 3.13
         uses: actions/setup-python@v5
         with:
-          python-version: 3.9
+          python-version: 3.13
 
       - name: Update apt repositories
         run: sudo apt update

.github/workflows/spec-release-pipeline.yml

@@ -39,10 +39,10 @@ jobs:
                 echo PR number - $pr_number
           fi
 
-      - name: Install Python 3.9
+      - name: Install Python 3.13
         uses: actions/setup-python@v5
         with:
-          python-version: 3.9
+          python-version: 3.13
 
       - name: Install Proxygen client
         run: |