Bump bouncycastle.version from 1.78.1 to 1.79

Bumps `bouncycastle.version` from 1.78.1 to 1.79.

Updates `org.bouncycastle:bcprov-jdk18on` from 1.78.1 to 1.79
- [Changelog](https://github.com/bcgit/bc-java/blob/main/docs/releasenotes.html)
- [Commits](https://github.com/bcgit/bc-java/commits)

Updates `org.bouncycastle:bcmail-jdk18on` from 1.78.1 to 1.79
- [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
- dependency-name: org.bouncycastle:bcmail-jdk18on
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -327,7 +327,7 @@
         <ikonli.version>12.3.1</ikonli.version>
         <testfx.version>4.0.18</testfx.version>
         <jackson.version>2.18.0</jackson.version>
-        <bouncycastle.version>1.78.1</bouncycastle.version>
+        <bouncycastle.version>1.79</bouncycastle.version>
         <assertj.version>3.26.3</assertj.version>
         <hamcrest.version>3.0</hamcrest.version>
         <javafx.version>21.0.5</javafx.version>