Bump org.bouncycastle:bcprov-jdk18on from 1.77 to 1.78

Bumps [org.bouncycastle:bcprov-jdk18on](https://github.com/bcgit/bc-java) from 1.77 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:bcprov-jdk18on
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -41,7 +41,7 @@
         <maven.version>3.3.9</maven.version>
         <java.source>1.8</java.source>
 
-        <bouncycastle.version>1.77</bouncycastle.version>
+        <bouncycastle.version>1.78</bouncycastle.version>
 
         <junit.jupiter.version>5.9.0</junit.jupiter.version>
         <junit.platform.version>1.2.0</junit.platform.version>