Update dependency com.google.auth:google-auth-library-credentials to v1

Author: renovate[bot]

project.clj

@@ -20,7 +20,7 @@
                  [io.fabric8/kubernetes-model "1.1.0"]
                  [com.google.guava/guava "22.0"]
                  [com.google.auth/google-auth-library-oauth2-http "0.6.1"]
-                 [com.google.auth/google-auth-library-credentials "0.6.1"]
+                 [com.google.auth/google-auth-library-credentials "1.19.0"]
                  [com.google.cloud/google-cloud-pubsub "0.20.1-beta"
                   :exclusions [com.google.auth/google-auth-library-oauth2-http
                                com.google.auth/google-auth-library-credentials