deps: update core dependencies (#25)

Author: renovate-bot

pom.xml

@@ -60,8 +60,8 @@
     <site.installationModule>google-cloud-spanner-jdbc</site.installationModule>
     <grpc.version>1.26.0</grpc.version>
     <api-client.version>1.30.7</api-client.version>
-    <google.core.version>1.92.1</google.core.version>
-    <gax.version>1.52.0</gax.version>
+    <google.core.version>1.92.2</google.core.version>
+    <gax.version>1.53.0</gax.version>
     <http-client-bom.version>1.34.0</http-client-bom.version>
     <guava.version>28.2-android</guava.version>
     <junit.version>4.13</junit.version>