[8.8] [Telemetry] Update notice message (#158669)

[kibanamachine]

Backport

This will backport the following commits from main to 8.8:

• [Telemetry] Update notice message (#158669)

Questions ?

Please refer to the Backport tool documentation

[github-actions]

Documentation preview:

• ✨ Changed pages

[kibana-ci]

💛 Build succeeded, but was flaky

• Buildkite Build
• Commit: 5ecd5e7

Failed CI Steps

• FTR Configs #28

Test Failures

• [job] [logs] FTR Configs #28 / discover/group3 discover sidebar renders field groups should work when filters change

Metrics [docs]

Module Count

Fewer modules leads to a faster build time

id	before	after	diff
telemetry	32	30	-2

Async chunks

Total size of all lazy-loaded chunks that will be downloaded as the user navigates the app

id	before	after	diff
telemetry	4.9KB	4.0KB	-941.0B
telemetryManagementSection	10.3KB	10.6KB	+322.0B
total			-619.0B

Page load bundle

Size of the bundles that are downloaded on every page load. Target size is below 100kb

id	before	after	diff
telemetry	19.7KB	18.9KB	-795.0B

Unknown metric groups

async chunk count

id	before	after	diff
telemetry	3	2	-1

ESLint disabled line counts

id	before	after	diff
enterpriseSearch	17	19	+2
securitySolution	400	404	+4
telemetry	1	3	+2
total			+8

Total ESLint disabled count

id	before	after	diff
enterpriseSearch	18	20	+2
securitySolution	480	484	+4
telemetry	6	8	+2
total			+8

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream

cc @afharo