chore: hypatia auto-fix (10 formulaic fixes)

Applied by auto-fix-formulaic.sh:
- SHA-pinned unpinned GitHub Actions
- Added missing workflow permissions
- Fixed license headers

Co-Authored-By: hypatia-autofix <noreply@hyperpolymath.github.io>

Author: hyperpolymath

.github/workflows/guix-nix-policy.yml

@@ -1,4 +1,6 @@
 # SPDX-License-Identifier: PMPL-1.0-or-later
+permissions: read-all
+
 name: Guix/Nix Package Policy
 on: [push, pull_request]
 jobs:

.github/workflows/jekyll-gh-pages.yml

@@ -30,9 +30,9 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v6.0.1
       - name: Setup Pages
-        uses: actions/configure-pages@v5
+        uses: actions/configure-pages@983d7736d9b0ae728b81ab479565c72886d7745b # v5
       - name: Build with Jekyll
-        uses: actions/jekyll-build-pages@v1
+        uses: actions/jekyll-build-pages@44a6e6beabd48582f863aeeb6cb2151cc1716697 # v1
         with:
           source: ./
           destination: ./_site
@@ -49,4 +49,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@d6db90164ac5ed86f2b6aed7e0febac5b3c0c03e # v4

.github/workflows/jekyll.yml

@@ -43,7 +43,7 @@ jobs:
           cache-version: 0 # Increment this number if you need to re-download cached gems
       - name: Setup Pages
         id: pages
-        uses: actions/configure-pages@v5
+        uses: actions/configure-pages@983d7736d9b0ae728b81ab479565c72886d7745b # v5
       - name: Build with Jekyll
         # Outputs to the './_site' directory by default
         run: bundle exec jekyll build --baseurl "${{ steps.pages.outputs.base_path }}"
@@ -63,4 +63,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@d6db90164ac5ed86f2b6aed7e0febac5b3c0c03e # v4

.github/workflows/quality.yml

@@ -1,4 +1,6 @@
 # SPDX-License-Identifier: PMPL-1.0-or-later
+permissions: read-all
+
 name: Code Quality
 on: [push, pull_request]
 

.github/workflows/rsr-antipattern.yml

@@ -5,6 +5,8 @@
 # Enforces: No TypeScript, No Go, No Python (except SaltStack), No npm
 # Allows: ReScript, Deno, WASM, Rust, OCaml, Haskell, Guile/Scheme
 
+permissions: read-all
+
 name: RSR Anti-Pattern Check
 
 on:

.github/workflows/security-policy.yml

@@ -1,4 +1,6 @@
 # SPDX-License-Identifier: PMPL-1.0-or-later
+permissions: read-all
+
 name: Security Policy
 on: [push, pull_request]
 jobs:

.github/workflows/wellknown-enforcement.yml

@@ -1,4 +1,6 @@
 # SPDX-License-Identifier: PMPL-1.0-or-later
+permissions: read-all
+
 name: Well-Known Standards (RFC 9116 + RSR)
 on:
   push: