Bump actions/setup-go from 5 to 6 (#5)

Bumps [actions/setup-go](https://github.com/actions/setup-go) from 5 to 6.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](https://github.com/actions/setup-go/compare/v5...v6)

---
updated-dependencies:
- dependency-name: actions/setup-go
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/update.yml

@@ -49,7 +49,7 @@ jobs:
         run: |
           RELEASE_DATE="$(awk -f release_date -v RS='\r\n' cedict_1_0_ts_utf-8_mdbg.txt)"
           git commit -m "CC-CEDICT ${RELEASE_DATE}"
-      - uses: "actions/setup-go@v5"
+      - uses: "actions/setup-go@v6"
         if: "fromJSON(steps.diff.outputs.changed)"
         with:
           go-version-file: "go.mod"