add populate_cache to profiles.yml (#4911)

this pr adds `populate_cache` to the profiles.yml config list per slack
thread: https://getdbt.slack.com/archives/C0441GSRU04/p1707872920904129

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Adding or removing pages (delete if not applicable):
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website/docs/docs/core/connect-data-platform/profiles.yml.md

@@ -31,6 +31,7 @@ This section identifies the parts of your `profiles.yml` that aren't specific to
   [use_experimental_parser](/reference/global-configs/parsing): <true | false>
   [static_parser](/reference/global-configs/parsing): <true | false>
   [cache_selected_only](/reference/global-configs/cache): <true | false>
+  [populate_cache](/reference/global-configs/cache): <true | false>
 
 <profile-name>:
   target: <target-name> # this is the default target