Bump io.github.goooler.shadow from 8.1.7 to 8.1.8

Bumps [io.github.goooler.shadow](https://github.com/Goooler/shadow) from 8.1.7 to 8.1.8.
- [Release notes](https://github.com/Goooler/shadow/releases)
- [Commits](Goooler/shadow@v8.1.7...v8.1.8)

---
updated-dependencies:
- dependency-name: io.github.goooler.shadow
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

build.gradle.kts

@@ -6,7 +6,7 @@ plugins {
     id("java")
     id("java-library")
 
-    id("io.github.goooler.shadow") version "8.1.7"
+    id("io.github.goooler.shadow") version "8.1.8"
     id("io.papermc.hangar-publish-plugin") version "0.1.2"
     id("net.minecrell.plugin-yml.paper") version "0.6.0"
     id("xyz.jpenilla.run-paper") version "2.3.0"