Support for Puma 5.0

[lizdeika]

Hi,

Would be nice to have puma 5.0 support :)

At least one breaking change is due:

• set :puma_daemonize option should be removed as daemonization is gone in 5.0.

[seuros]

Time to bump version .

[krim]

PR: #298

[dorianmariecom]

for you information, i am getting capistrano3-puma version 1.2.1 when using puma 5, had to force using 4.0.0 and downgrade puma

i documented it here: https://stackoverflow.com/questions/64760160/nameerror-uninitialized-constant-capistranopuma/64760161#64760161

[seuros]

@dorianmariefr for puma 5, you need to install version 5.0.0.beta1 and add the SystemD module.