Add Airbyte public jars mirror. (#21078)

Twitter maven is down due to Elon. This jar is only hosted on twitter's maven. We've uploaded a pinned version of this jar to our own public repo. This PR adjusts the build.gradle to consume jars from this public repo.

Author: davinchia

build.gradle

@@ -43,6 +43,9 @@ apply from: "$rootDir/publish-repositories.gradle"
 
 repositories {
  mavenCentral()
+ maven {
+ url 'https://airbyte.mycloudrepo.io/public/repositories/airbyte-public-jars/'
+ }
 }
 
 Properties env = new Properties()