deps: update dependency com.google.cloud:google-cloud-spanner-jdbc to v2.14.0 (#6242)

Author: renovate-bot

google-cloud-bom/pom.xml

@@ -245,7 +245,7 @@
  <dependency>
  <groupId>com.google.cloud</groupId>
  <artifactId>google-cloud-spanner-jdbc</artifactId>
- <version>2.13.4</version>
+ <version>2.14.0</version>
  </dependency>
  <dependency>
  <groupId>com.google.cloud</groupId>