[dock] Gracefully handle client creation error

Fixes #107
Fixes beat.editor#282
6 jobs for 107_gracefully_handle_docker_client_creation_failure in 57 minutes and 43 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Build
passed #228650
docker-build
build_linux_37

00:17:39

64.0%
passed #228651
docker-build
build_linux_38

00:17:51

64.0%
passed #228687
intel macos
build_macos_intel_37

00:19:04

64.0%
passed #228694
intel macos
build_macos_intel_38

00:20:47

64.0%
failed #228648
intel macos
build_macos_intel_37

01:30:00

failed #228649
intel macos
build_macos_intel_38

01:29:59