[8.5] [APM] Fixes #144669: Incorrect “Learn more” link (#145077) (#14…

…5087)

# Backport

This will backport the following commits from `main` to `8.5`:
- [[APM] Fixes #144669: Incorrect “Learn more” link
(#145077)](#145077)

<!--- Backport version: 8.9.7 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

<!--BACKPORT [{"author":{"name":"Søren
Louv-Jansen","email":"[email protected]"},"sourceCommit":{"committedDate":"2022-11-14T10:31:45Z","message":"[APM]
Fixes #144669: Incorrect “Learn more” link (#145077)\n\nFixes
https://github.com/elastic/kibana/issues/144669","sha":"f893523d63e99d623269969af3f611ddff36c1c1","branchLabelMapping":{"^v8.6.0$":"main","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["Team:APM","release_note:skip","backport:prev-minor","v8.6.0"],"number":145077,"url":"https://github.com/elastic/kibana/pull/145077","mergeCommit":{"message":"[APM]
Fixes #144669: Incorrect “Learn more” link (#145077)\n\nFixes
https://github.com/elastic/kibana/issues/144669","sha":"f893523d63e99d623269969af3f611ddff36c1c1"}},"sourceBranch":"main","suggestedTargetBranches":[],"targetPullRequestStates":[{"branch":"main","label":"v8.6.0","labelRegex":"^v8.6.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/145077","number":145077,"mergeCommit":{"message":"[APM]
Fixes #144669: Incorrect “Learn more” link (#145077)\n\nFixes
https://github.com/elastic/kibana/issues/144669","sha":"f893523d63e99d623269969af3f611ddff36c1c1"}}]}]
BACKPORT-->

Co-authored-by: Søren Louv-Jansen <[email protected]>

x-pack/plugins/apm/server/tutorial/index.ts

@@ -82,7 +82,7 @@ It allows you to monitor the performance of thousands of applications in real ti
 [Learn more]({learnMoreLink}).',
           values: {
             learnMoreLink:
-              '{config.docs.base_url}guide/en/apm/get-started/{config.docs.version}/index.html',
+              '{config.docs.base_url}guide/en/apm/guide/{config.docs.version}/index.html',
           },
         }
       ),