Bump jackson-databind from 2.2.2 to 2.9.10.8 in /java-post-gcm

Bumps [jackson-databind](https://github.com/FasterXML/jackson) from 2.2.2 to 2.9.10.8.
- [Release notes](https://github.com/FasterXML/jackson/releases)
- [Commits](https://github.com/FasterXML/jackson/commits)

---
updated-dependencies:
- dependency-name: com.fasterxml.jackson.core:jackson-databind
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

java-post-gcm/pom.xml

@@ -23,7 +23,7 @@
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>
 			<artifactId>jackson-databind</artifactId>
-			<version>2.2.2</version>
+			<version>2.9.10.8</version>
 		</dependency>
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>