ci: harden GitHub Actions workflows

Pin workflow actions to commit SHAs, set explicit permissions and timeouts, update Ubuntu runners, and include the generated action bundle.

Co-Authored-By: Codex <noreply@openai.com>

.github/workflows/release.yml

@@ -5,21 +5,15 @@ on:
     tags:
       - 'v*.*.*'
 
+permissions:
+  contents: write
+
 jobs:
   release:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
+    timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v4
-
-      - name: Dump GitHub context
-        env:
-          GITHUB_CONTEXT: ${{ toJson(github) }}
-        run: echo "${GITHUB_CONTEXT}"
-
-      - name: Install github/hub
-        run: |
-          export HUB_VERSION="2.14.2"
-          curl -fsSL https://github.com/github/hub/raw/8d91904208171b013f9a9d1175f4ab39068db047/script/get | bash -s "${HUB_VERSION}"
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
 
       - name: Create release
         env:
@@ -29,8 +23,8 @@ jobs:
           echo "See [CHANGELOG.md](https://github.com/${GITHUB_REPOSITORY}/blob/${TAG_NAME}/CHANGELOG.md) for more details." > ./release_notes.md
           RELEASE_NAME="$(jq -r '.name' ./package.json)"
           sed -i "1i${RELEASE_NAME} ${TAG_NAME}\n" ./release_notes.md
-          ./bin/hub release create \
+          gh release create "${TAG_NAME}" \
             --draft \
             --prerelease \
-            --file ./release_notes.md \
-            "${TAG_NAME}"
+            --notes-file ./release_notes.md \
+            --title "${RELEASE_NAME} ${TAG_NAME}"