Close changelog for the 6.1.3 release (elastic#6163)

Also updated the testing env. Can be merged right away.

Bump version to 5.6.7 in the 5.6 branch (elastic#6095)

In preparation for the next release.

[DOCS] Addressed feedback from review

Backport to 6.1: mutliple doc changes (elastic#5849 elastic#5867 elas…

…tic#5887 elastic#5890) (elastic#5895)

* Document that Npcap must be installed in WinPCap compatible mode

* Remove references to [type] field

* Fix typo in breaking changes doc

* Fix run command

Close changelog for 6.1.0 release (elastic#5853)

* Close changelog for 6.1.0 release

* Added PB TLS to the changelog

* Windows service in changelog

Bump version to 5.6.6 (elastic#5829)

Fix "queue" typo

Fixed docker diskio bug due to reseting of map. (elastic#5582) (elast…

…ic#5705)

* Fixed docker diskio bug due to reseting of map.

Fixes elastic#5568

Fix typo in Running on Kubernetes docs (elastic#5529) (elastic#5530)

(cherry picked from commit 8e94daa)

Fix missing length check in PgSQL (elastic#5457) (elastic#5480)

There was a length check missing.

(cherry picked from commit aeca657)