Bump github-branch-source

Bumps [github-branch-source](https://github.com/jenkinsci/github-branch-source-plugin) from 1677.v731f745ea_0cf to 1694.vd46793a_c4a_57.
- [Release notes](https://github.com/jenkinsci/github-branch-source-plugin/releases)
- [Changelog](https://github.com/jenkinsci/github-branch-source-plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jenkinsci/github-branch-source-plugin/commits)

---
updated-dependencies:
- dependency-name: org.jenkins-ci.plugins:github-branch-source
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Diff for: pom.xml

@@ -73,7 +73,7 @@
     <dependency>
       <groupId>org.jenkins-ci.plugins</groupId>
       <artifactId>github-branch-source</artifactId>
-      <version>1677.v731f745ea_0cf</version>
+      <version>1694.vd46793a_c4a_57</version>
       <optional>true</optional>
     </dependency>
   </dependencies>