Bump micronaut-gradle-plugins from 2.0.7 to 2.0.8 (#184)

Bumps micronaut-gradle-plugins from 2.0.7 to 2.0.8.

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

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

build.gradle

@@ -5,7 +5,7 @@ buildscript {
         maven { url "https://repo.grails.org/grails/core" }
     }
     dependencies {
-        classpath "io.micronaut.build:micronaut-gradle-plugins:2.0.7"
+        classpath "io.micronaut.build:micronaut-gradle-plugins:2.0.8"
     }
 }