fix(deps): update micronaut.testresources to v2.3.1 (#2700)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gradle/libs.versions.toml

@@ -3,7 +3,7 @@ micronaut = "4.2.2"
 micronaut-platform = "4.2.1"
 micronaut-docs = "2.0.0"
 micronaut-gradle-plugin = "4.2.1"
-micronaut-testresources = "2.3.0"
+micronaut-testresources = "2.3.1"
 
 micronaut-azure = "5.1.0"
 micronaut-reactor = "3.2.0"