Bump adventureVersion from 4.18.0 to 4.19.0 in /Plan (#3985)

Bumps `adventureVersion` from 4.18.0 to 4.19.0.

Updates `net.kyori:adventure-api` from 4.18.0 to 4.19.0
- [Release notes](https://github.com/KyoriPowered/adventure/releases)
- [Commits](PaperMC/adventure@v4.18.0...v4.19.0)

Updates `net.kyori:adventure-text-serializer-gson` from 4.18.0 to 4.19.0
- [Release notes](https://github.com/KyoriPowered/adventure/releases)
- [Commits](PaperMC/adventure@v4.18.0...v4.19.0)

Updates `net.kyori:adventure-text-serializer-legacy` from 4.18.0 to 4.19.0
- [Release notes](https://github.com/KyoriPowered/adventure/releases)
- [Commits](PaperMC/adventure@v4.18.0...v4.19.0)

Updates `net.kyori:adventure-text-minimessage` from 4.18.0 to 4.19.0
- [Release notes](https://github.com/KyoriPowered/adventure/releases)
- [Commits](PaperMC/adventure@v4.18.0...v4.19.0)

---
updated-dependencies:
- dependency-name: net.kyori:adventure-api
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: net.kyori:adventure-text-serializer-gson
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: net.kyori:adventure-text-serializer-legacy
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: net.kyori:adventure-text-minimessage
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Plan/build.gradle

@@ -77,7 +77,7 @@ subprojects {
         mysqlVersion = "9.2.0"
         mariadbVersion = "3.5.2"
         sqliteVersion = "3.42.0.1"
-        adventureVersion = "4.18.0"
+        adventureVersion = "4.19.0"
         hikariVersion = "6.2.1"
         slf4jVersion = "2.0.16"
         geoIpVersion = "4.2.1"