Jenkins Git plugin tagging with 5.5.1

Jenkins Git plugin tagging with 5.5.0

Merge pull request DataDog#1925 from DataDog/remh/dockerfixes

[docker] A few improvements as per PR review

Merge pull request DataDog#1891 from DataDog/yann/redis-switch-metric…

…-types2

[redis] `keyspace_hits` metrics: 'gauge' → 'rate'

[5.4.7] Bump version [skip ci]

Bump version to 5.4.4

[docker] catch error when parsing json response

[changelog] 5.4.2 release

[skip ci]