chore(deps): bump com.github.johnrengelman.shadow from 6.1.0 to 7.1.2

Bumps com.github.johnrengelman.shadow from 6.1.0 to 7.1.2.

---
updated-dependencies:
- dependency-name: com.github.johnrengelman.shadow
  dependency-version: 7.1.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

build.gradle

@@ -2,7 +2,7 @@ plugins {
     id "java"
     id "idea"
     id "org.jetbrains.kotlin.jvm"
-    id "com.github.johnrengelman.shadow" version "6.1.0"
+    id "com.github.johnrengelman.shadow" version "7.1.2"
     id "net.minecraftforge.gradle.forge"
     id "org.spongepowered.mixin"
     id "com.gorylenko.gradle-git-properties" version "2.4.1"