Bump org.bouncycastle:bcprov-jdk18on in /hadoop-project (#6811)

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
...

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hadoop-project/pom.xml

@@ -111,7 +111,7 @@
     <guava.version>27.0-jre</guava.version>
     <guice.version>4.2.3</guice.version>
 
-    <bouncycastle.version>1.77</bouncycastle.version>
+    <bouncycastle.version>1.78</bouncycastle.version>
 
     <!-- Required for testing LDAP integration -->
     <apacheds.version>2.0.0.AM26</apacheds.version>