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
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

build.gradle.kts

@@ -30,7 +30,7 @@ dependencies {
     implementation("com.google.guava:guava:33.5.0-jre")
     implementation("com.google.zxing:core:3.5.4")
     implementation("com.google.zxing:javase:3.5.4")
-    implementation("org.bouncycastle:bcprov-jdk18on:1.83")
+    implementation("org.bouncycastle:bcprov-jdk18on:1.84")
     implementation("org.eclipse.angus:jakarta.mail:2.0.5")
     implementation("org.eclipse.parsson:jakarta.json:1.1.7")
 }