build(deps): Bump eclipse-temurin in /build/package (#169)

Bumps eclipse-temurin from 17.0.5_8-jdk to 21.0.2_13-jdk.

---
updated-dependencies:
- dependency-name: eclipse-temurin
  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>

build/package/Dockerfile

@@ -1,4 +1,4 @@
-FROM eclipse-temurin:17.0.5_8-jdk
+FROM eclipse-temurin:21.0.2_13-jdk
 
 VOLUME /data
 EXPOSE 8080 25565