Update grails monorepo to v5.1.2 (#1599)

Co-authored-by: Renovate Bot <[email protected]>

Author: renovate[bot]

gradle.properties

@@ -15,7 +15,7 @@ servletApiVersion=4.0.1
 spockVersion=2.0-groovy-3.0
 springVersion=5.3.15
 caffeineVersion=2.9.3
-grailsVersion=5.1.1
+grailsVersion=5.1.2
 grailsAsyncVersion=4.0.0
 slf4jVersion=1.7.35
 javaParserCoreVersion=3.15.14