Bump com.icegreen:greenmail from 2.1.6 to 2.1.7 (#1205)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -1358,7 +1358,7 @@ under the License.
       <dependency>
         <groupId>com.icegreen</groupId>
         <artifactId>greenmail</artifactId>
-        <version>2.1.6</version>
+        <version>2.1.7</version>
         <exclusions>
           <exclusion>
             <groupId>com.sun.mail</groupId>