fix(deps): update dependency io.micronaut.testresources:micronaut-test-resources-bom to v2.7.3 (#460)

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

Author: renovate[bot]

Diff for: gradle/libs.versions.toml

@@ -9,7 +9,7 @@ spock = '2.3-groovy-4.0'
 
 managed-acme4j = "3.5.1"
 micronaut-serde = "2.14.0"
-micronaut-test-resources="2.6.2"
+micronaut-test-resources="2.7.3"
 micronaut-validation = "4.9.0"
 micronaut-gradle-plugin = "4.4.5"
 sonatype-scan = "3.0.0"