deps: update dependency net.bytebuddy:byte-buddy to v1.14.15

Author: renovate-bot

gax-java/dependencies.properties

@@ -83,5 +83,5 @@ maven.org_mockito_mockito_core=org.mockito:mockito-core:2.28.2
 maven.org_hamcrest_hamcrest_core=org.hamcrest:hamcrest-core:1.3
 maven.com_google_truth_truth=com.google.truth:truth:1.4.2
 maven.com_googlecode_java_diff_utils_diffutils=com.googlecode.java-diff-utils:diffutils:1.3.0
-maven.net_bytebuddy_byte_buddy=net.bytebuddy:byte-buddy:1.14.14
+maven.net_bytebuddy_byte_buddy=net.bytebuddy:byte-buddy:1.14.15
 maven.org_objenesis_objenesis=org.objenesis:objenesis:2.6