Kill processes that don't want to listen to SIGTERM

[carlobeltrame]

Speeds up stopping the dev containers.

Before (>20s):

Gracefully stopping... (press Ctrl+C again to force)
[+] Stopping 12/12
 ✔ Container ecamp3-reverse-proxy          Stopped                                                                                     10.2s 
 ✔ Container ecamp3-print                  Stopped                                                                                     10.1s 
 ✔ Container ecamp3-browserless            Stopped                                                                                      0.2s 
 ✔ Container ecamp3-http-cache-logs        Stopped                                                                                      0.2s 
 ✔ Container ecamp3-pg-admin               Stopped                                                                                      1.5s 
 ✔ Container ecamp3-mail                   Stopped                                                                                      0.2s 
 ✔ Container ecamp3-http-cache             Stopped                                                                                      0.2s 
 ✔ Container ecamp3-frontend               Stopped                                                                                     10.2s 
 ✔ Container ecamp3-api                    Stopped                                                                                      0.2s 
 ✔ Container ecamp3-database               Stopped                                                                                      0.2s 
 ✔ Container ecamp3-docker-host-forwarder  Stopped                                                                                      0.1s 
 ✔ Container ecamp3-pdf                    Stopped                                                                                     10.2s

After (~2s):

Gracefully stopping... (press Ctrl+C again to force)
[+] Stopping 12/12
 ✔ Container ecamp3-browserless            Stopped                                                                                      0.3s 
 ✔ Container ecamp3-pg-admin               Stopped                                                                                      1.5s 
 ✔ Container ecamp3-http-cache-logs        Stopped                                                                                      0.2s 
 ✔ Container ecamp3-print                  Stopped                                                                                      0.4s 
 ✔ Container ecamp3-mail                   Stopped                                                                                      0.2s 
 ✔ Container ecamp3-reverse-proxy          Stopped                                                                                      0.3s 
 ✔ Container ecamp3-http-cache             Stopped                                                                                      0.2s 
 ✔ Container ecamp3-frontend               Stopped                                                                                      0.2s 
 ✔ Container ecamp3-api                    Stopped                                                                                      0.1s 
 ✔ Container ecamp3-pdf                    Stopped                                                                                      0.1s 
 ✔ Container ecamp3-docker-host-forwarder  Stopped                                                                                      0.1s 
 ✔ Container ecamp3-database               Stopped                                                                                      0.2s

The stop is less graceful, but these processes did nothing to shut down gracefully anyways.