build(deps): bump io.jsonwebtoken:jjwt-impl in /graphwebhook

Bumps [io.jsonwebtoken:jjwt-impl](https://github.com/jwtk/jjwt) from 0.12.6 to 0.12.7.
- [Release notes](https://github.com/jwtk/jjwt/releases)
- [Changelog](https://github.com/jwtk/jjwt/blob/master/CHANGELOG.md)
- [Commits](jwtk/jjwt@0.12.6...0.12.7)

---
updated-dependencies:
- dependency-name: io.jsonwebtoken:jjwt-impl
  dependency-version: 0.12.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

graphwebhook/pom.xml

@@ -74,7 +74,7 @@
 		<dependency>
 			<groupId>io.jsonwebtoken</groupId>
 			<artifactId>jjwt-impl</artifactId>
-			<version>0.12.6</version>
+			<version>0.12.7</version>
 			<scope>runtime</scope>
 		</dependency>