build(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-type: direct:production
  update-type: version-update:semver-major
...

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

build.gradle.kts

@@ -39,7 +39,7 @@ plugins {
     id("com.google.protobuf") version "0.8.18"
     id("io.micronaut.application") version "2.0.4"
     id("com.google.cloud.tools.jib") version "3.1.4"
-    id("com.github.johnrengelman.shadow") version "6.1.0"
+    id("com.github.johnrengelman.shadow") version "7.1.2"
 }
 
 version = "0.1.13"