[StepSecurity] Apply security best practices

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

Author: stepsecurity-app[bot]

.github/workflows/lint.yaml

@@ -16,6 +16,11 @@ jobs:
       contents: read
 
     steps:
+    - name: Harden the runner (Audit all outbound calls)
+      uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0 # v2.12.0
+      with:
+        egress-policy: audit
+
     - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # ratchet:actions/checkout@v4.2.2
     - uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5.3.0
     - uses: pre-commit/action@2c7b3805fd2a0fd8c1884dcaebf91fc102a13ecd # v3.0.1