Bump org.bouncycastle:bcpkix-jdk18on from 1.77 to 1.78.1

Bumps [org.bouncycastle:bcpkix-jdk18on](https://github.com/bcgit/bc-java) from 1.77 to 1.78.1.
- [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-type: direct:production
  update-type: version-update:semver-minor
...

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

gradle/libs.versions.toml

@@ -11,7 +11,7 @@ commons-io-commons-io = "2.16.1"
 org-apache-commons-commons-lang3 = "3.14.0"
 org-apache-logging-log4j-log4j-slf4j-impl = "2.23.1"
 org-assertj-assertj-core = "3.25.3"
-org-bouncycastle-bcpkix-jdk18on = "1.77"
+org-bouncycastle-bcpkix-jdk18on = "1.78.1"
 org-mockito-mockito-core = "5.11.0"
 org-restlet-jse-org-restlet = "2.4.3"
 org-restlet-jse-org-restlet-ext-simple = "2.4.3"