chore: hypatia auto-fix (3 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/pages.yml

@@ -64,4 +64,4 @@ jobs:
     steps:
       - name: Deploy
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@d6db90164ac5ed86f2b6aed7e0febac5b3c0c03e # v4

.github/workflows/release.yml

@@ -47,7 +47,7 @@ jobs:
           ls -R dist || true
 
       - name: Create GitHub Release
-        uses: softprops/action-gh-release@v2
+        uses: softprops/action-gh-release@a06a81a03ee405af7f2048a818ed3f03bbf83c7b # v2
         with:
           files: dist/**
         env:

.github/workflows/sign-release.yml

@@ -34,7 +34,7 @@ jobs:
           done
 
       - name: Upload signatures
-        uses: softprops/action-gh-release@v2
+        uses: softprops/action-gh-release@a06a81a03ee405af7f2048a818ed3f03bbf83c7b # v2
         with:
           files: signatures/**
         env:

bof-meetings/proposals/cc-summit-proposal.md

@@ -235,7 +235,7 @@ The open licensing movement faces tension between core values:
 
 ```html
 <!-- Example: Dual licensing with CC and Palimpsest -->
-<div xmlns:cc="http://creativecommons.org/ns#"
+<div xmlns:cc="https://creativecommons.org/ns#"
      xmlns:pal="https://palimpsest-license.org/ns#">
   <a href="https://example.com/work" property="cc:attributionName pal:creator">
     Creator Name