deps: bump io.github.goooler.shadow from 8.1.7 to 8.1.8 (#655)

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

build.gradle

@@ -1,7 +1,7 @@
 import org.apache.tools.ant.filters.ReplaceTokens
 
 plugins {
-    id 'io.github.goooler.shadow' version '8.1.7'
+    id 'io.github.goooler.shadow' version '8.1.8'
     id 'org.cadixdev.licenser' version '0.6.1' apply false
     id 'fabric-loom' version "$fabric_loom_version" apply false
     id 'org.ajoberstar.grgit' version '5.2.2'