Bump org.bouncycastle:bcpkix-jdk18on from 1.76 to 1.78 (#943)

Bumps [org.bouncycastle:bcpkix-jdk18on](https://github.com/bcgit/bc-java) from 1.76 to 1.78.
- [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
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pom.xml

@@ -116,7 +116,7 @@
         <maven.javadoc.additionalOptions />
 
         <!-- Optional Runtime Dependencies: -->
-        <bouncycastle.version>1.76</bouncycastle.version>
+        <bouncycastle.version>1.78</bouncycastle.version>
         <bcprov.artifactId>bcprov-jdk18on</bcprov.artifactId>
         <bcpkix.artifactId>bcpkix-jdk18on</bcpkix.artifactId>