Fix CLI flag and environment variable for log_path (#5332)

[Preview](https://docs-getdbt-com-git-dbeatty10-patch-5-dbt-labs.vercel.app/reference/global-configs/about-global-configs#accessing-flags)

## What are you changing in this pull request and why?


[This](https://docs.getdbt.com/reference/global-configs/about-global-configs#available-flags)
table was incorrect for `log_path`, and this PR fixes it.

## Checklist
- [x] Review the [Content style
guide](https://github.com/dbt-labs/docs.getdbt.com/blob/current/contributing/content-style-guide.md)
so my content adheres to these guidelines.

website/docs/reference/global-configs/about-global-configs.md

@@ -73,7 +73,7 @@ Because the values of `flags` can differ across invocations, we strongly advise
 | [log_format](/reference/global-configs/logs#log-formatting) | enum | default (text) | ✅ | `DBT_LOG_FORMAT` | `--log-format` | ❌ |
 | [log_level_file](/reference/global-configs/logs#log-level) | enum | debug | ✅ | `DBT_LOG_LEVEL_FILE` | `--log-level-file` | ❌ |
 | [log_level](/reference/global-configs/logs#log-level) | enum | info | ✅ | `DBT_LOG_LEVEL` | `--log-level` | ❌ |
-| [log_path](/reference/global-configs/logs) | path | None (uses `logs/`) | ❌ | `DBT_LOG_PATH` | `--profiles-dir` | ❌ |
+| [log_path](/reference/global-configs/logs) | path | None (uses `logs/`) | ❌ | `DBT_LOG_PATH` | `--log-path` | ❌ |
 | [partial_parse](/reference/global-configs/parsing#partial-parsing) | boolean | True | ✅ | `DBT_PARTIAL_PARSE` | `--partial-parse`, `--no-partial-parse` | ✅ |
 | [populate_cache](/reference/global-configs/cache) | boolean | True | ✅ | `DBT_POPULATE_CACHE` | `--populate-cache`, `--no-populate-cache` | ✅ |
 | [print](/reference/global-configs/print-output#suppress-print-messages-in-stdout) | boolean | True | ❌ | `DBT_PRINT` | `--print` | ❌ |