Update spanner jdbc driver to 2.27.0

This version contains the following transitive dependencies

--- dependency:3.7.0:tree (default-cli) @ google-cloud-spanner-jdbc ---
com.google.cloud:google-cloud-spanner-jdbc:jar:2.27.0
+- com.google.http-client:google-http-client:jar:1.46.1:compile
+- org.apache.httpcomponents:httpclient:jar:4.5.14:compile
+- org.apache.httpcomponents:httpcore:jar:4.4.16:compile
+- com.google.errorprone:error_prone_annotations:jar:2.36.0:compile
+- com.google.j2objc:j2objc-annotations:jar:3.0.0:compile
+- io.grpc:grpc-context:jar:1.69.0:compile
+- io.opencensus:opencensus-api:jar:0.31.1:compile
+- io.opencensus:opencensus-contrib-http-util:jar:0.31.1:compile
+- io.grpc:grpc-api:jar:1.69.0:compile
+- com.google.cloud:google-cloud-core-grpc:jar:2.51.0:compile
+- com.google.api:gax-grpc:jar:2.61.0:compile
+- com.google.api.grpc:proto-google-common-protos:jar:2.52.0:compile
+- com.google.api:gax:jar:2.61.0:runtime
+- org.threeten:threetenbp:jar:1.7.0:compile
+- com.google.cloud:google-cloud-spanner:jar:6.87.0:compile
+- com.google.cloud:grpc-gcp:jar:1.6.1:compile
+- io.grpc:grpc-auth:jar:1.69.0:compile
+- io.grpc:grpc-inprocess:jar:1.69.0:compile
+- io.grpc:grpc-core:jar:1.69.0:compile
+- com.google.android:annotations:jar:4.1.1.4:runtime
+- org.codehaus.mojo:animal-sniffer-annotations:jar:1.24:runtime
+- io.perfmark:perfmark-api:jar:0.27.0:runtime
+- io.grpc:grpc-util:jar:1.69.0:runtime
+- io.grpc:grpc-protobuf:jar:1.69.0:compile
+- io.grpc:grpc-protobuf-lite:jar:1.69.0:runtime
+- io.grpc:grpc-stub:jar:1.69.0:compile
+- com.google.auto.value:auto-value-annotations:jar:1.11.0:compile
+- com.google.protobuf:protobuf-java-util:jar:3.25.5:compile
+- com.google.api.grpc:grpc-google-common-protos:jar:2.52.0:compile
+- com.google.guava:failureaccess:jar:1.0.2:compile
+- com.google.guava:listenablefuture:jar:9999.0-empty-to-avoid-conflict-with-guava:compile
+- org.checkerframework:checker-qual:jar:3.49.0:compile
+- com.google.api.grpc:proto-google-iam-v1:jar:1.47.0:compile
+- com.google.http-client:google-http-client-gson:jar:1.46.1:compile
+- io.opencensus:opencensus-contrib-grpc-util:jar:0.31.1:compile
+- io.opentelemetry:opentelemetry-context:jar:1.47.0:compile
+- io.opentelemetry:opentelemetry-sdk:jar:1.47.0:compile
+- io.opentelemetry:opentelemetry-sdk-trace:jar:1.47.0:compile
+- io.opentelemetry:opentelemetry-sdk-logs:jar:1.47.0:compile
+- io.opentelemetry:opentelemetry-sdk-common:jar:1.47.0:compile
+- io.opentelemetry:opentelemetry-sdk-metrics:jar:1.47.0:compile
+- com.google.cloud.opentelemetry:detector-resources-support:jar:0.33.0:compile
+- com.google.cloud:google-cloud-monitoring:jar:3.54.0:compile
+- io.grpc:grpc-grpclb:jar:1.69.0:compile
+- org.conscrypt:conscrypt-openjdk-uber:jar:2.5.2:compile
+- io.grpc:grpc-xds:jar:1.69.0:runtime
+- io.grpc:grpc-services:jar:1.69.0:runtime
+- com.google.re2j:re2j:jar:1.7:runtime
+- commons-codec:commons-codec:jar:1.18.0:compile
+- com.google.api.grpc:proto-google-cloud-monitoring-v3:jar:3.57.0:compile
+- com.google.api.grpc:proto-google-cloud-spanner-admin-instance-v1:jar:6.87.0:compile
+- com.google.api.grpc:proto-google-cloud-spanner-admin-database-v1:jar:6.87.0:compile
+- com.google.api.grpc:grpc-google-cloud-spanner-admin-instance-v1:jar:6.87.0:compile
+- com.google.api.grpc:grpc-google-cloud-spanner-v1:jar:6.87.0:compile
+- com.google.api.grpc:grpc-google-cloud-spanner-admin-database-v1:jar:6.87.0:compile
+- com.google.api:gax-httpjson:jar:2.61.0:compile
+- com.google.code.gson:gson:jar:2.12.1:compile
+- io.grpc:grpc-googleapis:jar:1.69.0:runtime
+- io.grpc:grpc-rls:jar:1.69.0:runtime
+- javax.annotation:javax.annotation-api:jar:1.3.2:compile
+- io.grpc:grpc-alts:jar:1.69.0:compile
+- com.google.protobuf:protobuf-java:jar:3.25.5:compile
+- com.google.guava:guava:jar:33.4.0-jre:compile
+- io.grpc:grpc-netty-shaded:jar:1.69.0:compile
+- com.google.api:api-common:jar:2.44.0:compile
+- com.google.code.findbugs:jsr305:jar:3.0.2:compile
+- com.google.auth:google-auth-library-oauth2-http:jar:1.32.1:compile
+- com.google.auth:google-auth-library-credentials:jar:1.32.1:compile
+- com.google.cloud:google-cloud-core:jar:2.51.0:compile
+- com.google.api.grpc:proto-google-cloud-spanner-v1:jar:6.87.0:compile
\- io.opentelemetry:opentelemetry-api:jar:1.47.0:compile

Change-Id: Iedf03b8c99c16f72ef6dfb7204804a49e877e842
diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
index bceefa1..7cf5576 100644
--- a/external_plugin_deps.bzl
+++ b/external_plugin_deps.bzl
@@ -3,8 +3,8 @@
 def external_plugin_deps():
     maven_jar(
         name = "google-cloud-spanner-with-dependencies",
-        sha1 = "7eb613ec661d6157b3669e11d536418299625f5a",
-        artifact = "com.google.cloud:google-cloud-spanner-jdbc:2.9.9:single-jar-with-dependencies",
+        sha1 = "76c3d421efd2f3ffc9208084b9bd822b5a5d9a9f",
+        artifact = "com.google.cloud:google-cloud-spanner-jdbc:2.27.0:single-jar-with-dependencies",
     )
 
     JACKSON_VER = "2.10.4"