[bs-73] Anonymous classes cannot be used in @Bean definitions in .groovy scripts

* Added a test for each of the classes loaded by the SpringApplication
* If it's an anonymous class or looks like a Groovy closure we ignore it
* The CLI sample job.groovy also modified to take advantage

[Fixes #48718891]

spring-bootstrap-cli/src/main/scripts/spring

@@ -71,4 +71,4 @@ if $cygwin; then
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
 fi
 
-${JAVA_HOME}/bin/java -cp "$CLASSPATH" org.springframework.bootstrap.cli.SpringBootstrapCli $*
+${JAVA_HOME}/bin/java ${JAVA_OPTS} -cp "$CLASSPATH" org.springframework.bootstrap.cli.SpringBootstrapCli $*