build(deps): bump org.bouncycastle:bcprov-jdk18on from 1.77 to 1.78

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
...

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

Author: dependabot[bot]

pom.xml

@@ -13,7 +13,7 @@
     <properties>
         <java.version>11</java.version>
         <jjwt.version>0.12.5</jjwt.version>
-        <bouncycastle.version>1.77</bouncycastle.version>
+        <bouncycastle.version>1.78</bouncycastle.version>
         <jackson.version>2.17.0</jackson.version>
         <slf4j.version>2.0.9</slf4j.version>
         <junit-jupiter.version>5.10.2</junit-jupiter.version>