fix(deps): update dependency io.micronaut.build.internal:micronaut-gradle-plugins to v7.6.6

Author: renovate[bot]

gradle/templates.versions.toml

@@ -50,7 +50,7 @@ ksp = "1.9.25-1.0.20"
 log4j = "2.23.1"
 log4j-slf4j = "2.23.1"
 micronaut-aot = "2.9.0"
-micronaut-build-plugins = "7.6.4"
+micronaut-build-plugins = "7.6.6"
 micronaut-gradle-plugin = "4.6.1"
 mockserver-client-java = "5.15.0"
 mockk = "1.13.17"