Bump org.bouncycastle:bcpkix-jdk18on from 1.77 to 1.78 (#22)

Bumps [org.bouncycastle:bcpkix-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:bcpkix-jdk18on
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

lib/build.gradle

@@ -12,7 +12,7 @@ repositories {
 }
 
 dependencies {
-    implementation 'org.bouncycastle:bcpkix-jdk18on:1.77'
+    implementation 'org.bouncycastle:bcpkix-jdk18on:1.78'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.10.2'
 }