fix(deps): update dependency org.postgresql:postgresql to v42.7.4 (#487)

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

Author: renovate[bot]

gradle.properties

@@ -32,7 +32,7 @@ micronautGradlePlugins=5.4.10
 nexusPublishVersion=1.3.0
 nohttpGradleVersion=0.0.11
 objenesisVersion=3.3
-postgresqlVersion=42.7.3
+postgresqlVersion=42.7.4
 postgresSocketFactoryVersion=1.17.1
 reflectionsVersion=0.10.2
 rockerVersion=2.1.0