Bump io.micronaut.application from 3.7.9 to 4.0.2

Bumps io.micronaut.application from 3.7.9 to 4.0.2.

---
updated-dependencies:
- dependency-name: io.micronaut.application
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

build.gradle

@@ -1,6 +1,6 @@
 plugins {
     id("com.github.johnrengelman.shadow") version "7.1.2"
-    id("io.micronaut.application") version "3.7.9"
+    id("io.micronaut.application") version "4.0.2"
 }
 
 version = "0.2"