ci: fix release workflow checkout

.github/workflows/build.yml

@@ -108,6 +108,9 @@ jobs:
     if: startsWith(github.ref, 'refs/tags/v')
 
     steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
       - name: Download artifacts
         uses: actions/download-artifact@v4
         with:
@@ -122,6 +125,7 @@ jobs:
       - name: Publish GitHub Release
         env:
           GH_TOKEN: ${{ github.token }}
+          GH_REPO: ${{ github.repository }}
         run: |
           gh release create "$GITHUB_REF_NAME" dist/* --generate-notes || \
           gh release upload "$GITHUB_REF_NAME" dist/* --clobber