Bump org.bitbucket.b_c:jose4j from 0.6.2 to 0.9.4 in /sandbox

Bumps [org.bitbucket.b_c:jose4j](https://bitbucket.org/b_c/jose4j) from 0.6.2 to 0.9.4.
- [Commits](https://bitbucket.org/b_c/jose4j/branches/compare/jose4j-0.9.4..jose4j-0.6.2)

---
updated-dependencies:
- dependency-name: org.bitbucket.b_c:jose4j
  dependency-type: direct:production
...

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

sandbox/pom.xml

@@ -31,7 +31,7 @@
     <properties>
         <maven.deploy.skip>true</maven.deploy.skip>
         <maven.install.skip>true</maven.install.skip>
-        <version.jose4j>0.6.2</version.jose4j>
+        <version.jose4j>0.9.4</version.jose4j>
         <version.numbusds>4.23</version.numbusds>
         <version.auth0>3.3.0</version.auth0>
         <version.jsonwebtoken>0.9.0</version.jsonwebtoken>