[StepSecurity] Apply security best practices

.github/workflows/publish.yml

@@ -3,18 +3,26 @@ name: Build & Publish
 on:
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-latest
     permissions:
       contents: read
       packages: write
     steps:
-    - uses: actions/checkout@v3
+    - name: Harden the runner (Audit all outbound calls)
+      uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
+      with:
+        egress-policy: audit
+
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
       with:
         fetch-depth: 0
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@7f4fc3e22c37d6ff65e88745f38bd3157c663f7c # v4.9.1
       with:
           python-version: '3.8'
     - name: Install and Upgrade pip
@@ -30,7 +38,7 @@ jobs:
     - name: package egg
       run: python setup.py bdist_egg
     - name: Deploy to PyPI
-      uses: pypa/gh-action-pypi-publish@master
+      uses: pypa/gh-action-pypi-publish@c1b34028248d0c9f7d90fe29fef2122e2276ff6f # master
       with:
         user: __token__
         password: ${{ secrets.PYPI_DEPLOY_KEY }}

.pre-commit-config.yaml

@@ -0,0 +1,9 @@
+repos:
+- repo: https://github.com/gitleaks/gitleaks
+  rev: v8.16.3
+  hooks:
+  - id: gitleaks
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v4.4.0
+  hooks:
+  - id: end-of-file-fixer