deps: update google.core.version to v2.7.0 (#693)

Author: renovate-bot

Diff for: first-party-dependencies/pom.xml

@@ -62,7 +62,7 @@
     <protobuf.version>3.20.1</protobuf.version>
     <google.api-common.version>2.2.0</google.api-common.version>
     <google.common-protos.version>2.8.3</google.common-protos.version>
-    <google.core.version>2.6.1</google.core.version>
+    <google.core.version>2.7.0</google.core.version>
     <google.auth.version>1.7.0</google.auth.version>
     <google.http-client.version>1.41.8</google.http-client.version>
     <google.oauth-client.version>1.33.3</google.oauth-client.version>