Bump org.bouncycastle:bcprov-jdk18on from 1.83 to 1.84

Bumps [org.bouncycastle:bcprov-jdk18on](https://github.com/bcgit/bc-java) from 1.83 to 1.84.
- [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-version: '1.84'
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pom.xml

@@ -84,7 +84,7 @@
     <pitmp-maven-plugin.version>1.3.7</pitmp-maven-plugin.version>
 
     <!-- dependencies -->
-    <bouncycastle.version>1.83</bouncycastle.version>
+    <bouncycastle.version>1.84</bouncycastle.version>
     <commons-io.version>2.21.0</commons-io.version>
     <dom4j.version>2.2.0</dom4j.version>
     <fop.version>2.11</fop.version>