Bump org.bouncycastle:bcprov-jdk18on from 1.77 to 1.78 (JabRef#11205)

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

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

build.gradle

@@ -141,7 +141,7 @@ dependencies {
     implementation 'com.h2database:h2-mvstore:2.2.224'
 
     // required for reading write-protected PDFs - see https://github.com/JabRef/jabref/pull/942#issuecomment-209252635
-    implementation 'org.bouncycastle:bcprov-jdk18on:1.77'
+    implementation 'org.bouncycastle:bcprov-jdk18on:1.78'
 
     implementation 'commons-cli:commons-cli:1.6.0'