feat: display linters help as JSON

[ldez]

Adds the option --json to the command help linters.

Some examples of the usage

Gets a linter by name:

go run ./cmd/golangci-lint/ help linters --json | jq '[ .[] | select(.name=="nolintlint") ]'

Gets all the "fast" linters:

go run ./cmd/golangci-lint/ help linters --json | jq '[ .[] | select(.fast) ]'

Gets all the "slow" linters:

go run ./cmd/golangci-lint/ help linters --json | jq '[ .[] | select(.fast==false) ]'

Gets all linters with autofix:

go run ./cmd/golangci-lint/ help linters --json | jq '[ .[] | select(.autoFix==true) ]'

Gets all the "slow" linters with autofix:

 go run ./cmd/golangci-lint/ help linters --json | jq '[ .[] | select(.autoFix==true and .fast==false) ]'

Gets all linters with a specific preset:

go run ./cmd/golangci-lint/ help linters --json | jq '[ .[] | select(any(.presets[]; . == "style")) ]'

Gets all linters added in a specific version:

go run ./cmd/golangci-lint/ help linters --json | jq '[ .[] | select(.since=="v1.62.0") ]'

Gets all linter names:

go run ./cmd/golangci-lint/ help linters --json | jq '[ .[].name ]'

Gets all the names of linters enabled by default:

go run ./cmd/golangci-lint/ help linters --json | jq '[ .[] | select(.enabledByDefault==true) ] | map(.name)'

Gets all the names of "slow" linter with autofix:

go run ./cmd/golangci-lint/ help linters --json | jq '[ .[] | select(.autoFix==true and .fast==false) ] | map(.name)' 

Gets all the names of linter inside a specific preset:

go run ./cmd/golangci-lint/ help linters --json | jq '[ .[] | select(any(.presets[]; . == "bugs")) ] | map(.name)'

Related to #5207