Update from code changes: document crawler-filtered visitor counts - #7219

Running Vale across on the following files affected by this PR:

- analytics/traffic.mdx
- es/analytics/traffic.mdx
- fr/analytics/traffic.mdx
- zh/analytics/traffic.mdx
- es/help-center/visitor-count-dropped-after-crawler-filtering.mdx
- fr/help-center/visitor-count-dropped-after-crawler-filtering.mdx
- help-center/visitor-count-dropped-after-crawler-filtering.mdx
- zh/help-center/visitor-count-dropped-after-crawler-filtering.mdx

Attempting to initialize Vale linter...
Customer vale configuration detected. Attempting to sync packages...
Packages synced successfully.
Attempting to run Vale spellcheck...
Vale spellcheck completed successfully.

analytics/traffic.mdx:
	- 38:189    In general, use active voice instead of passive voice ('are excluded').
	- 50:49     Use 'cURL' instead of 'curl'.
	- 50:55     Did you really mean 'wget'?
	- 54:68     In general, use active voice instead of passive voice ('is excluded').

help-center/visitor-count-dropped-after-crawler-filtering.mdx:
	- 3:115    In general, use active voice instead of passive voice ('was excluded').
	- 11:37    In general, use active voice instead of passive voice ('was excluded').
	- 20:90    In general, use active voice instead of passive voice ('is identified').


Found 7 suggested changes across 2 files in 1253.37ms