Update to io.spring.javaformat:spring-javaformat-checkstyle:0.0.38

Closes gh-1170

gradle.properties

@@ -4,7 +4,7 @@ org.gradle.parallel=true
 org.gradle.caching=true
 springFrameworkVersion=6.0.8
 springSecurityVersion=6.1.0-RC1
-springJavaformatVersion=0.0.35
+springJavaformatVersion=0.0.38
 springJavaformatExcludePackages=org/springframework/security/config org/springframework/security/oauth2
 checkstyleToolVersion=8.34
 nohttpCheckstyleVersion=0.0.11