Bumped Kustvakt version to 0.74-SNAPSHOT.

Change-Id: I21441e38a9a3bacaeda207b91ae288dbe02a0a40
diff --git a/Changes b/Changes
index af50e78..4477da6 100644
--- a/Changes
+++ b/Changes
@@ -1,4 +1,4 @@
-# version 0.73.3-SNAPSHOT
+# version 0.74-SNAPSHOT
 
 - Unified ResourceFilters and SearchResourceFilters.
 - Remove corpusQuery param in the statistics web-service (close #758).