Bump javassist from 3.21.0-GA to 3.25.0-GA

Bumps [javassist](https://github.com/jboss-javassist/javassist) from 3.21.0-GA to 3.25.0-GA.
- [Release notes](https://github.com/jboss-javassist/javassist/releases)
- [Commits](https://github.com/jboss-javassist/javassist/commits)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Author: dependabot-support

browserup-proxy-core/build.gradle

@@ -72,7 +72,7 @@ dependencies {
     implementation 'io.netty:netty-all:4.1.35.Final'
     implementation 'org.bouncycastle:bcpkix-jdk15on:1.61'
     implementation 'org.bouncycastle:bcprov-jdk15on:1.61'
-    implementation 'org.javassist:javassist:3.21.0-GA'
+    implementation 'org.javassist:javassist:3.25.0-GA'
     implementation 'org.seleniumhq.selenium:selenium-api:3.141.59'
     implementation 'org.slf4j:jcl-over-slf4j:1.7.22'
     implementation 'org.slf4j:slf4j-api:1.7.22'

browserup-proxy-dist/build.gradle

@@ -72,7 +72,7 @@ dependencies {
     implementation 'org.apache.logging.log4j:log4j-slf4j-impl:2.8'
     implementation 'org.eclipse.jetty:jetty-server:7.3.0.v20110203'
     implementation 'org.eclipse.jetty:jetty-servlet:7.3.0.v20110203'
-    implementation 'org.javassist:javassist:3.21.0-GA'
+    implementation 'org.javassist:javassist:3.25.0-GA'
 }
 
 mainClassName = 'com.browserup.bup.proxy.Main'