feat: common command aliases

[lkingland]

• 🎁 commands which refer to sets ignore plurality
• 🎁 aliases added for linux command synonyms

Ensures commands which have subcommands to operate on individual members (list, add, remove etc) have singular and plural as aliases.

Ensures consistent usage of linux-command-style aliases for list,remove and rename operations: "ls", "rm", "mv"

/kind enhancement

Commands such as `envs` can be referred to by their singular form `env` and vice-versa.
Commands with well-known command synonyms were added as aliases, such as`labels delete <name>` now supports `labels rm <name>`

[codecov]

Codecov Report

Base: 60.26% // Head: 60.59% // Increases project coverage by +0.32% 🎉

Coverage data is based on head (07b7a28) compared to base (c20c887).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1578      +/-   ##
==========================================
+ Coverage   60.26%   60.59%   +0.32%     
==========================================
  Files          75       76       +1     
  Lines       10308    10318      +10     
==========================================
+ Hits         6212     6252      +40     
+ Misses       3524     3495      -29     
+ Partials      572      571       -1     

Flag	Coverage Δ
integration-tests	50.97% <100.00%> (+0.03%)	⬆️
unit-tests	?
unit-tests-macos-latest	49.48% <100.00%> (?)
unit-tests-ubuntu-latest	50.96% <100.00%> (?)
unit-tests-windows-latest	49.38% <100.00%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
cmd/config_envs.go	25.79% <100.00%> (+0.39%)	⬆️
cmd/config_labels.go	73.30% <100.00%> (+0.26%)	⬆️
cmd/config_volumes.go	25.94% <100.00%> (+0.80%)	⬆️
cmd/repository.go	57.42% <100.00%> (+0.16%)	⬆️
pkg/knative/deployer.go	62.46% <0.00%> (-0.64%)	⬇️
pkg/docker/docker_client_nonlinux.go	0.00% <0.00%> (ø)
pkg/functions/client.go	59.21% <0.00%> (+0.55%)	⬆️
pkg/knative/logs.go	85.56% <0.00%> (+1.03%)	⬆️
pkg/docker/creds/credentials.go	73.06% <0.00%> (+1.34%)	⬆️
pkg/docker/docker_client.go	84.87% <0.00%> (+23.52%)	⬆️

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[zroubalik]

@lkingland sorry, I mistaken this PR with mine 😄 🤦‍♂️

[zroubalik]

/lgtm

/hold for others

[lance]

/lgtm
/hold cancel
Nice improvement :)

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: lance, lkingland, zroubalik

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