Bump net.kyori:adventure-text-serializer-plain from 4.12.0 to 4.16.0

Bumps [net.kyori:adventure-text-serializer-plain](https://github.com/KyoriPowered/adventure) from 4.12.0 to 4.16.0.
- [Release notes](https://github.com/KyoriPowered/adventure/releases)
- [Commits](KyoriPowered/adventure@v4.12.0...v4.16.0)

---
updated-dependencies:
- dependency-name: net.kyori:adventure-text-serializer-plain
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

gradle/libs.versions.toml

@@ -16,7 +16,7 @@ xenondevs-commons = "1.7"
 adventure-api = { group = "net.kyori", name = "adventure-api", version = "4.12.0" }
 adventure-platform-bukkit = { group = "net.kyori", name = "adventure-platform-bukkit", version = "4.2.0" }
 adventure-text-serializer-gson = { group = "net.kyori", name = "adventure-text-serializer-gson", version = "4.12.0" }
-adventure-text-serializer-plain = { group = "net.kyori", name = "adventure-text-serializer-plain", version = "4.12.0" }
+adventure-text-serializer-plain = { group = "net.kyori", name = "adventure-text-serializer-plain", version = "4.16.0" }
 awssdk-s3 = { group = "software.amazon.awssdk", name = "s3", version = "2.20.68" }
 bstats = { group = "xyz.xenondevs.bstats", name = "bstats-bukkit", version = "3.0.1" }
 bytbase-runtime = { group = "xyz.xenondevs.bytebase", name = "ByteBase-Runtime", version = "0.4.6" }