[StepSecurity] Apply security best practices

.github/workflows/check-semver.yml

@@ -14,7 +14,12 @@ jobs:
     name: Check labels
     runs-on: ubuntu-latest
     steps:
-      - uses: docker://agilepathway/pull-request-label-checker:v1.6.13
+      - name: Harden the runner (Audit all outbound calls)
+        uses: step-security/harden-runner@ec9f2d5744a09debf3a187a3f4f675c53b671911 # v2.13.0
+        with:
+          egress-policy: audit
+
+      - uses: docker://agilepathway/pull-request-label-checker:v1.6.13@sha256:4a0bc4b4536934325ab21ea47af7a928b5c18a09b42c40275910945514a9b805
         with:
           one_of: norelease,release:major,release:minor,release:patch
           repo_token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/lint.yml

@@ -8,6 +8,9 @@ on:
     branches:
       - main
 
+permissions:
+  contents: read
+
 jobs:
   lint:
     runs-on: ubuntu-latest
@@ -16,6 +19,11 @@ jobs:
       contents: read
 
     steps:
+      - name: Harden the runner (Audit all outbound calls)
+        uses: step-security/harden-runner@ec9f2d5744a09debf3a187a3f4f675c53b671911 # v2.13.0
+        with:
+          egress-policy: audit
+
       - name: Checkout code
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
 

.github/workflows/publish_to_pypi.yml

@@ -7,6 +7,9 @@ on:
     types:
       - completed
 
+permissions:
+  contents: read
+
 jobs:
   deploy:
     runs-on:     ubuntu-latest
@@ -17,6 +20,11 @@ jobs:
       id-token: write
 
     steps:
+      - name: Harden the runner (Audit all outbound calls)
+        uses: step-security/harden-runner@ec9f2d5744a09debf3a187a3f4f675c53b671911 # v2.13.0
+        with:
+          egress-policy: audit
+
       - name: Checkout repo
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
 

.github/workflows/release-on-push.yml

@@ -11,6 +11,11 @@ jobs:
     env:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
+      - name: Harden the runner (Audit all outbound calls)
+        uses: step-security/harden-runner@ec9f2d5744a09debf3a187a3f4f675c53b671911 # v2.13.0
+        with:
+          egress-policy: audit
+
       - uses: rymndhng/release-on-push-action@aebba2bbce07a9474bf95e8710e5ee8a9e922fe2 # v0.28.0
         with:
           bump_version_scheme: norelease

.github/workflows/testing.yml

@@ -10,6 +10,9 @@ on:
     branches:
       - main
 
+permissions:
+  contents: read
+
 jobs:
   test:
     name: "Package stability ${{ matrix.stability }}"
@@ -23,6 +26,11 @@ jobs:
         python-version: [ '3.11', '3.12', '3.13' ]
 
     steps:
+      - name: Harden the runner (Audit all outbound calls)
+        uses: step-security/harden-runner@ec9f2d5744a09debf3a187a3f4f675c53b671911 # v2.13.0
+        with:
+          egress-policy: audit
+
       - name: Checkout repo
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4