Update CHANGELOG.md for 13.4.3-ee

[ci skip]

CHANGELOG.md

@@ -2,6 +2,15 @@
 documentation](doc/development/changelog.md) for instructions on adding your own
 entry.
 
+## 13.4.3 (2020-10-06)
+
+### Fixed (3 changes)
+
+- Exclude 2FA from upload#show routes and 404s. !42784
+- use create_wiki method on ensure_wiki_exists in update_service. !42910
+- Fix large backups not working with Azure Blob storage. !44233
+
+
 ## 13.4.0 (2020-09-22)
 
 ### Security (2 changes, 1 of them is from the community)

changelogs/unreleased/42910-use-create-wiki-method-on-ensure-wiki-exists-in-update-service.yml

----
-title: use create_wiki method on ensure_wiki_exists in update_service
-merge_request: 42910
-author:
-type: fixed

changelogs/unreleased/cat-2fa-404-redirect.yml

----
-title: Exclude 2FA from upload#show routes and 404s
-merge_request: 42784
-author:
-type: fixed

changelogs/unreleased/sh-update-fog-azure-rm-gem.yml

----
-title: Fix large backups not working with Azure Blob storage
-merge_request: 44233
-author:
-type: fixed