Merge pull request mapproxy#1181 from simonseyock/5.0.0

dev: prepare 5.0.0 release

Merge pull request mapproxy#1151 from simonseyock/4.1.2

dev: prepare 4.1.2 release

Merge pull request mapproxy#1127 from simonseyock/4.1.1

dev: prepare 4.1.1 release

Merge pull request mapproxy#1122 from simonseyock/4.1.0

dev: prepare 4.1.0 release

Merge pull request mapproxy#1102 from simonseyock/security-fixes

Security fixes

Merge pull request mapproxy#1103 from simonseyock/security-fixes-3.x.x

Security fixes 3.x.x

Merge pull request mapproxy#1104 from simonseyock/security-fixes-2.x.x

Security fixes 2.x.x

Merge pull request mapproxy#1109 from simonseyock/fix-build-version-1…

….x.x

fix(dockerbuild): use github.ref_name as mapproxy version

dev: prepare 4.0.1 release

ci: fix build pipeline for 4.0.0 release