Bump org.bouncycastle:bcpkix-jdk18on in /auth-providers/oauth2-provider

Bumps [org.bouncycastle:bcpkix-jdk18on](https://github.com/bcgit/bc-java) from 1.78.1 to 1.79.
- [Changelog](https://github.com/bcgit/bc-java/blob/main/docs/releasenotes.html)
- [Commits](https://github.com/bcgit/bc-java/commits)

---
updated-dependencies:
- dependency-name: org.bouncycastle:bcpkix-jdk18on
  dependency-version: '1.79'
  dependency-type: direct:production
...

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

Author: dependabot[bot]

auth-providers/oauth2-provider/pom.xml

@@ -79,7 +79,7 @@
         <dependency>
             <groupId>org.bouncycastle</groupId>
             <artifactId>bcpkix-jdk18on</artifactId>
-            <version>1.78.1</version>
+            <version>1.79</version>
         </dependency>
     </dependencies>