Throws InvalidTransitionException

So far, InvalidTransitionException was a subclass of IOException. After
Ic06b8877, this is no longer the case and the exception needs to be
explicitly added to the method signature.

Depends-on: https://gerrit-review.googlesource.com/c/plugins/its-base/+/145030
Change-Id: I4af743fc8f8bf796904d02152e2a5e70e2984bd4

src/main/java/com/googlesource/gerrit/plugins/its/bugzilla/BugzillaItsFacade.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/its/bugzilla/BugzillaItsFacade.java b/src/main/java/com/googlesource/gerrit/plugins/its/bugzilla/BugzillaItsFacade.java
index 5af8a56..d63289f 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/its/bugzilla/BugzillaItsFacade.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/its/bugzilla/BugzillaItsFacade.java
@@ -25,7 +25,7 @@
 import com.google.gerrit.extensions.annotations.PluginName;
 import com.google.gerrit.server.config.GerritServerConfig;
 import com.google.inject.Inject;
-
+import com.googlesource.gerrit.plugins.its.base.its.InvalidTransitionException;
 import com.googlesource.gerrit.plugins.its.base.its.ItsFacade;
 import com.j2bugzilla.base.BugzillaException;
 import com.j2bugzilla.base.ConnectionException;
@@ -103,7 +103,7 @@
   }
 
   private void doPerformAction(final String bugId, final String fieldName, final String fieldValue)
-      throws BugzillaException, IOException {
+      throws BugzillaException, IOException, InvalidTransitionException {
     client().performAction(bugId, fieldName.toLowerCase(), fieldValue);
   }