Bump io.jsonwebtoken:jjwt-jackson from 0.12.5 to 0.12.6 in /graphwebhook

Bumps io.jsonwebtoken:jjwt-jackson from 0.12.5 to 0.12.6.

---
updated-dependencies:
- dependency-name: io.jsonwebtoken:jjwt-jackson
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

graphwebhook/pom.xml

@@ -81,7 +81,7 @@
 		<dependency>
 			<groupId>io.jsonwebtoken</groupId>
 			<artifactId>jjwt-jackson</artifactId>
-			<version>0.12.5</version>
+			<version>0.12.6</version>
 			<scope>runtime</scope>
 		</dependency>