Bump org.projectlombok:lombok from 1.18.26 to 1.18.28 in /bukkit

Bumps [org.projectlombok:lombok](https://github.com/projectlombok/lombok) from 1.18.26 to 1.18.28.
- [Release notes](https://github.com/projectlombok/lombok/releases)
- [Changelog](https://github.com/projectlombok/lombok/blob/master/doc/changelog.markdown)
- [Commits](projectlombok/lombok@v1.18.26...v1.18.28)

---
updated-dependencies:
- dependency-name: org.projectlombok:lombok
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

bukkit/pom.xml

@@ -41,7 +41,7 @@
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <version>1.18.26</version>
+            <version>1.18.28</version>
             <scope>provided</scope>
         </dependency>
         <!-- Paper 1.8.8 -->