Combined PR from multiple renovate PRs (#923)

Author: radovanradic

gradle/libs.versions.toml

@@ -2,7 +2,7 @@
 
 # Micronaut
 
-micronaut = "4.0.0-M5"
+micronaut = "4.0.0-M6"
 micronaut-docs = "2.0.0"
 micronaut-gradle-plugin = "4.0.0-M4"
 micronaut-testresources = "2.0.0-M8"
@@ -13,11 +13,11 @@ micronaut-data = "4.0.0-M6"
 micronaut-hibernate-validator = "4.0.0-M4"
 micronaut-micrometer = "5.0.0-M2"
 micronaut-r2dbc = "5.0.0-M7"
-micronaut-reactor = "3.0.0-M3"
+micronaut-reactor = "3.0.0-M4"
 micronaut-serde = "2.0.0-M8"
-micronaut-spring = "5.0.0-M1"
-micronaut-test = "4.0.0-M4"
-micronaut-validation = "4.0.0-M8"
+micronaut-spring = "5.0.0-M2"
+micronaut-test = "4.0.0-M5"
+micronaut-validation = "4.0.0-M9"
 
 # Frameworks
 
@@ -61,8 +61,8 @@ logback = "1.4.6"
 # Testing
 
 groovy = "4.0.11"
-testcontainers = "1.18.1"
-sonar-gradle-plugin = "4.1.0.3113"
+testcontainers = "1.18.3"
+sonar-gradle-plugin = "4.2.0.3129"
 
 micronaut-logging = "1.0.0-M2"
 [libraries]