xstatic-mdi 1.6.50.2

openstack/xstatic-mdi has a 1.6.50.1 tag, but it was never uploaded
to PyPI. Let's do a 1.6.50.2 release so that we get the same in PyPI
and git.

Change-Id: If0a865293fab52b655c10ce0d34b2a1d467dd1a1

deliverables/_independent/xstatic-mdi.yaml

@@ -10,5 +10,10 @@ releases:
       - repo: openstack/xstatic-mdi
         hash: 29bc27f557d366382b172bb07190a3d040a04065
         tarball-base: XStatic-mdi
+  - version: 1.6.50.2
+    projects:
+      - repo: openstack/xstatic-mdi
+        hash: 64dca40a7ce5794e1bf046de3b0548e99422c49b
+        tarball-base: XStatic-mdi
 repository-settings:
   openstack/xstatic-mdi: {}