Bump bcprov-jdk15on from 1.49 to 1.67 in /taverna-server-webapp

Bumps [bcprov-jdk15on](https://github.com/bcgit/bc-java) from 1.49 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-jdk15on
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/taverna-server-webapp/pom.xml b/taverna-server-webapp/pom.xml
index 759d077..a3649e3 100644
--- a/taverna-server-webapp/pom.xml
+++ b/taverna-server-webapp/pom.xml
@@ -270,7 +270,7 @@
 		<dependency>
 			<groupId>org.bouncycastle</groupId>
 			<artifactId>bcprov-jdk15on</artifactId>
-			<version>1.49</version>
+			<version>1.67</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework</groupId>