Bump org.spongepowered.gradle.plugin from 2.0.0 to 2.0.2 in /Plan (#2433)

Bumps [org.spongepowered.gradle.plugin](https://github.com/SpongePowered/SpongeGradle) from 2.0.0 to 2.0.2.
- [Release notes](https://github.com/SpongePowered/SpongeGradle/releases)
- [Commits](https://github.com/SpongePowered/SpongeGradle/compare/2.0.0...v2.0.2)

---
updated-dependencies:
- dependency-name: org.spongepowered.gradle.plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Plan/sponge/build.gradle

@@ -2,7 +2,7 @@ import org.spongepowered.gradle.plugin.config.PluginLoaders
 import org.spongepowered.gradle.vanilla.repository.MinecraftPlatform
 
 plugins {
-    id "org.spongepowered.gradle.plugin" version "2.0.0"
+    id "org.spongepowered.gradle.plugin" version "2.0.2"
     id "org.spongepowered.gradle.vanilla" version "0.2"
 }