Merge pull request #1544 from codeflash-ai/fix-security-vulnerabilities

fix: address security vulnerabilities while maintaining Python 3.9 support

Author: KRRT7

.github/workflows/unit-tests.yaml

@@ -15,9 +15,25 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
+        include:
+          - os: ubuntu-latest
+            python-version: "3.9"
+          - os: ubuntu-latest
+            python-version: "3.10"
+          - os: ubuntu-latest
+            python-version: "3.11"
+          - os: ubuntu-latest
+            python-version: "3.12"
+          - os: ubuntu-latest
+            python-version: "3.13"
+          - os: ubuntu-latest
+            python-version: "3.14"
+          - os: windows-latest
+            python-version: "3.13"
     continue-on-error: true
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+    env:
+      PYTHONIOENCODING: utf-8
     steps:
       - uses: actions/checkout@v4
         with: