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

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
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

build.gradle

@@ -30,7 +30,7 @@ ext {
 
 dependencies {
     api "org.testcontainers:testcontainers:$testcontainersVersion"
-    implementation "org.bouncycastle:bcpkix-jdk18on:1.77"
+    implementation "org.bouncycastle:bcpkix-jdk18on:1.78"
 
     testImplementation "org.testcontainers:junit-jupiter:$testcontainersVersion"
     testImplementation "io.fabric8:kubernetes-client:6.8.0"