Merge pull request pi-hole#1060 from pi-hole/release/v5.7

Pi-hole FTL v5.7

Merge pull request pi-hole#1043 from pi-hole/release/v5.6

Pi-hole FTL v5.6

Merge branch 'release/v5.5'

Merge pull request pi-hole#1034 from pi-hole/release/v5.5

Pi-hole FTL v5.5

Merge pull request pi-hole#1024 from pi-hole/release/v5.4

Pi-hole FTL v5.4

Merge pull request pi-hole#1002 from pi-hole/development

Pi-hole FTL v5.3.4

Merge pull request pi-hole#998 from pi-hole/release/v5.3.3

Pi-hole FTL v5.3.3

Merge pull request pi-hole#948 from pi-hole/release/v5.3.2

Pi-hole FTL v5.3.2

Merge pull request pi-hole#940 from pi-hole/special/CI_development

Downgrade ftl-build containers to restore Debian stretch support

Merge pull request pi-hole#939 from pi-hole/release/v5.3

Pi-hole FTL release v5.3