fix missing parentheses warning in `Credo.Check.Params.category/2` · rrrene/credo@b408c22

Run ./test/smoke_test.sh: lib/credo/watcher.ex#L1

Modules should have a @moduledoc tag.

Run ./test/smoke_test.sh: lib/credo/config_builder.ex#L1

Modules should have a @moduledoc tag.

Run ./test/smoke_test.sh: lib/credo/cli/switch.ex#L1

Modules should have a @moduledoc tag.

Run ./test/smoke_test.sh: lib/credo/check/refactor/long_quote_blocks.ex#L111

Function body is nested too deep (max depth is 2, was 3).

Run ./test/smoke_test.sh: lib/credo/check/design/alias_usage.ex#L230

Function takes too many parameters (arity is 10, max is 8).

Run ./test/smoke_test.sh: lib/credo/cli/options.ex#L77

Function takes too many parameters (arity is 9, max is 8).

Run ./test/smoke_test.sh: lib/credo/cli/options.ex#L54

Function takes too many parameters (arity is 9, max is 8).

Run ./test/smoke_test.sh: lib/credo/check/design/alias_usage.ex#L226

Function takes too many parameters (arity is 9, max is 8).

Run ./test/smoke_test.sh: lib/credo/check/design/duplicated_code.ex#L86

Nested modules could be aliased at the top of the invoking module.

Run ./test/smoke_test.sh: lib/credo/check/design/alias_usage.ex#L266

Nested modules could be aliased at the top of the invoking module.

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