Bump org.bouncycastle:bcpkix-jdk18on from 1.76 to 1.78

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
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index 12d5b90..4c23bfe 100644
--- a/pom.xml
+++ b/pom.xml
@@ -180,7 +180,7 @@
         <commons-io.version>2.11.0</commons-io.version>
         <commons-pool2.version>2.4.2</commons-pool2.version>
         <commons-lang3.version>3.13.0</commons-lang3.version>
-        <bouncycastle.version>1.76</bouncycastle.version>
+        <bouncycastle.version>1.78</bouncycastle.version>
 
         <!-- Build related plugins -->
         <os.plugin.version>1.7.1</os.plugin.version>