Upgrade to Byte Buddy 1.7.8

Closes gh-10786

spring-boot-project/spring-boot-dependencies/pom.xml

@@ -32,7 +32,7 @@
 		<assertj.version>3.8.0</assertj.version>
 		<atomikos.version>4.0.4</atomikos.version>
 		<bitronix.version>2.1.4</bitronix.version>
-		<byte-buddy.version>1.7.6</byte-buddy.version>
+		<byte-buddy.version>1.7.8</byte-buddy.version>
 		<caffeine.version>2.5.6</caffeine.version>
 		<cassandra-driver.version>3.3.0</cassandra-driver.version>
 		<classmate.version>1.3.4</classmate.version>