build(deps-dev): bump bcprov-ext-jdk15on from 1.60 to 1.67

Bumps [bcprov-ext-jdk15on](https://github.com/bcgit/bc-java) from 1.60 to 1.67.
- [Release notes](https://github.com/bcgit/bc-java/releases)
- [Changelog](https://github.com/bcgit/bc-java/blob/master/docs/releasenotes.html)
- [Commits](https://github.com/bcgit/bc-java/commits)

---
updated-dependencies:
- dependency-name: org.bouncycastle:bcprov-ext-jdk15on
  dependency-type: direct:development
...

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

pom.xml

@@ -71,7 +71,7 @@
     <guava.version>24.1.1-jre</guava.version>
     <slf4j-api.version>1.7.25</slf4j-api.version>
     <spring-context.version>5.1.0.RELEASE</spring-context.version>
-    <bc.version>1.60</bc.version>
+    <bc.version>1.67</bc.version>
 
     <!--  version of test dependencies  -->
     <junit.version>4.13.1</junit.version>