build(deps): bump actions/upload-artifact from 4 to 7

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 7.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v7)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/release.yml

@@ -62,7 +62,7 @@ jobs:
           find build -name "*.a" -o -name "*.bin" -o -name "*.elf" | xargs -I{} cp {} fw/ 2>/dev/null || true
           cp -r include fw/ 2>/dev/null || true
           tar czf eboot-${{ steps.version.outputs.version }}-${{ matrix.board }}.tar.gz -C fw .
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v7
         with:
           name: eboot-${{ matrix.board }}
           path: "*.tar.gz"

.github/workflows/simulation-test.yml

@@ -52,7 +52,7 @@ jobs:
         run: eosim test ${{ matrix.platform }}
       - name: Collect artifacts
         run: eosim artifact ${{ matrix.platform }}
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v7
         if: always()
         with:
           name: sim-${{ matrix.platform }}