Bump lampVersion from 3.1.8 to 3.1.9 (#59)

Bumps `lampVersion` from 3.1.8 to 3.1.9.

Updates `com.github.Revxrsal.Lamp:bukkit` from 3.1.8 to 3.1.9
- [Release notes](https://github.com/Revxrsal/Lamp/releases)
- [Commits](Revxrsal/Lamp@3.1.8...3.1.9)

Updates `com.github.Revxrsal.Lamp:common` from 3.1.8 to 3.1.9
- [Release notes](https://github.com/Revxrsal/Lamp/releases)
- [Commits](Revxrsal/Lamp@3.1.8...3.1.9)

---
updated-dependencies:
- dependency-name: com.github.Revxrsal.Lamp:bukkit
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: com.github.Revxrsal.Lamp:common
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

plugin/build.gradle.kts

@@ -1,6 +1,6 @@
 import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
 
-val lampVersion = "3.1.8"
+val lampVersion = "3.1.9"
 
 dependencies {
     compileOnly("org.spigotmc:spigot-api:1.14.4-R0.1-SNAPSHOT") {