deps: update core dependencies (googleapis#40)

Author: renovate-bot

pom.xml

@@ -58,9 +58,9 @@
   </licenses>
   <properties>
     <site.installationModule>google-cloud-spanner-jdbc</site.installationModule>
-    <grpc.version>1.26.0</grpc.version>
+    <grpc.version>1.27.0</grpc.version>
     <api-client.version>1.30.7</api-client.version>
-    <google.core.version>1.92.2</google.core.version>
+    <google.core.version>1.92.3</google.core.version>
     <gax.version>1.53.0</gax.version>
     <http-client-bom.version>1.34.1</http-client-bom.version>
     <guava.version>28.2-android</guava.version>
@@ -72,7 +72,7 @@
     <spanner.version>1.47.0</spanner.version>
     <hamcrest.version>2.2</hamcrest.version>
     <error-prone.version>2.3.4</error-prone.version>
-    <google.auth.version>0.19.0</google.auth.version>
+    <google.auth.version>0.20.0</google.auth.version>
   </properties>
 
   <dependencyManagement>