build(deps): bump versions.bouncyCastleVersion from 1.77 to 1.78

Bumps `versions.bouncyCastleVersion` from 1.77 to 1.78.

Updates `org.bouncycastle:bcpkix-jdk18on` 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)

Updates `org.bouncycastle:bcprov-jdk18on` 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)

Updates `org.bouncycastle:bcprov-ext-jdk18on` 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
- dependency-name: org.bouncycastle:bcprov-jdk18on
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.bouncycastle:bcprov-ext-jdk18on
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

dependencies.gradle

@@ -3,7 +3,7 @@ def versions = [:]
 // Versions shared between multiple dependencies
 versions.aspectJVersion = "1.9.4"
 versions.apacheDsVersion = "2.0.0.AM27"
-versions.bouncyCastleVersion = "1.77"
+versions.bouncyCastleVersion = "1.78"
 versions.commonsioVersion = "2.16.1"
 versions.hamcrestVersion = "2.2"
 versions.springBootVersion = "2.7.18"