deps: update core dependencies to v1.54.0 (#72)

Author: renovate-bot

pom.xml

@@ -61,7 +61,7 @@
     <grpc.version>1.27.2</grpc.version>
     <api-client.version>1.30.8</api-client.version>
     <google.core.version>1.92.5</google.core.version>
-    <gax.version>1.53.1</gax.version>
+    <gax.version>1.54.0</gax.version>
     <http-client-bom.version>1.34.2</http-client-bom.version>
     <guava.version>28.2-android</guava.version>
     <junit.version>4.13</junit.version>