ci: update actions/checkout and semantic-release-action to v6

Author: OliverDudgeon

.github/workflows/release.yml

@@ -26,7 +26,7 @@ jobs:
       release_sha: ${{ steps.release-sha.outputs.sha }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -55,7 +55,7 @@ jobs:
           private-key: ${{ secrets.APP_PRIVATE_KEY }}
 
       - name: Semantic Release
-        uses: cycjimmy/semantic-release-action@v4
+        uses: cycjimmy/semantic-release-action@v6
         id: semantic
         env:
           GITHUB_TOKEN: ${{ steps.app-token.outputs.token }}
@@ -71,7 +71,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           fetch-tags: true