Update CHANGELOG-EE.md for 13.4.3-ee

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CHANGELOG-EE.md

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+## 13.4.3 (2020-10-06)
+
+### Fixed (5 changes)
+
+- 13.4 Port of Geo: Permanently enable package_file_registries field. !43434
+- Limit spam checks to title, description, or confidentiality changes on bot-created issues. !43463
+- Fixing an issue on the Productivity Analytics page, where applying filters would not update the results. This should now work as expected; applying a filter updates the results on the page filtered by the filters applied. !43532
+- Geo - Fix wikis with no repository on the primary trying to sync over and over. !43765
+- Do not try to copy issue weight events when promoting an issue to epic. !43891
+
+
 ## 13.4.0 (2020-09-22)
 ### Security (1 change, 1 of them is from the community)

ee/changelogs/unreleased/215549-skip-copying-weight-events-when-promoting-issue.yml

----
-title: Do not try to copy issue weight events when promoting an issue to epic
-merge_request: 43891
-author:
-type: fixed

ee/changelogs/unreleased/220297-attempts-to-edit-issue-are-blocked-by-never-ending-captchas.yml

----
-title: Limit spam checks to title, description, or confidentiality changes on bot-created
-  issues
-merge_request: 43463
-author:
-type: fixed

ee/changelogs/unreleased/255887-mlunoe-ensure-export-of-initialized-store.yml

----
-title: Fixing an issue on the Productivity Analytics page, where applying filters
-  would not update the results. This should now work as expected; applying a filter
-  updates the results on the page filtered by the filters applied
-merge_request: 43532
-author:
-type: fixed

ee/changelogs/unreleased/258658-no-repository-found.yml

----
-title: Geo - Fix wikis with no repository on the primary trying to sync over and over
-merge_request: 43765
-author:
-type: fixed