feat: implement task sorting with --sort flag (#1105)

* refactor: move deepcopy into its own package

* feat: add generic orderedmap implementation

* refactor: implement tasks with orderedmap

* feat: implement sort flag for all task outputs

* refactor: implement vars with orderedmap

* chore: docs

* fix: linting issues

* fix: non deterministic behavior in tests

docs/docs/api_reference.md

@@ -36,6 +36,7 @@ variable
 | `-I` | `--interval` | `string` | `5s` | Sets a different watch interval when using `--watch`, the default being 5 seconds. This string should be a valid [Go Duration](https://pkg.go.dev/time#ParseDuration). |
 | `-l` | `--list` | `bool` | `false` | Lists tasks with description of current Taskfile. |
 | `-a` | `--list-all` | `bool` | `false` | Lists tasks with or without a description. |
+|      | `--sort` | `string` | `default` | Changes the order of the tasks when listed. |
 |      | `--json` | `bool` | `false` | See [JSON Output](#json-output) |
 | `-o` | `--output` | `string` | Default set in the Taskfile or `intervealed` | Sets output style: [`interleaved`/`group`/`prefixed`]. |
 |      | `--output-group-begin` | `string` | | Message template to print before a task's grouped output. |