deps: update dependency com.fasterxml.jackson.core:jackson-databind to v2.21.0 (#2364)

Author: renovate-bot

java-spanner-jdbc/samples/quickperf/pom.xml

@@ -67,7 +67,7 @@
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>
       <artifactId>jackson-databind</artifactId>
-      <version>2.20.1</version>
+      <version>2.21.0</version>
     </dependency>
     <!-- Required for unit tests -->
     <dependency>