Support color log output

Rework logback formatting to include ansi color output. Also added
support for JUL over SLF4J to ensure that tomcat logging looks OK.

Issue: #53249833

spring-starters/spring-starter-logging/pom.xml

@@ -17,6 +17,10 @@
 			<groupId>org.slf4j</groupId>
 			<artifactId>jcl-over-slf4j</artifactId>
 		</dependency>
+		<dependency>
+			<groupId>org.slf4j</groupId>
+			<artifactId>jul-to-slf4j</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>ch.qos.logback</groupId>
 			<artifactId>logback-classic</artifactId>