[StepSecurity] Apply security best practices

Signed-off-by: StepSecurity Bot <bot@stepsecurity.io>

Author: stepsecurity-app[bot]

.github/workflows/test.yaml

@@ -12,7 +12,7 @@ env:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-hardened-latest-m
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v3