mitaka: release oslo.db 4.3.1

Change log:

3f22d45 Imported Translations from Zanata
c8c4543 Updated from global requirements
543d577 Fix tests to work under both pymsysql 0.6.2 and 0.7.x
4f5384d Don't log non-db error in retry wrapper

This is a .z patch version update since it's only bug fixes
and the requirements update was only adding the license
comments to the file, there are not actually any functional
changes to the dependencies.

Requirements repo update: I41e598641f8751251c7a4cd93ca5bc2f5348d7fa

Change-Id: Ieeb5fd0edb4291cc2f2a47eddfc162eda22f87d8

deliverables/mitaka/oslo.db.yaml

@@ -32,4 +32,10 @@ releases:
   - version: 4.3.0
     projects:
       - repo: openstack/oslo.db
-        hash: cfa53ac438006a04217349b6e37195005e286d8e
+        hash: cfa53ac438006a04217349b6e37195005e286d8e
+  - version: 4.3.1
+    projects:
+      - repo: openstack/oslo.db
+        hash: d8da96ef5a2fa7e72f85942111c08fd4061c8be9
+    highlights: >
+        Trivial bug fixes and translation updates.