[8.8] Fix observability solution name (#158983) (#159163)

# Backport

This will backport the following commits from `main` to `8.8`:
- [Fix observability solution name
(#158983)](https://github.com/elastic/kibana/pull/158983)

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

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

<!--BACKPORT [{"author":{"name":"DeDe
Morton","email":"dede.morton@elastic.co"},"sourceCommit":{"committedDate":"2023-06-06T22:18:14Z","message":"Fix
observability solution name (#158983)\n\nNot sure if the original text
was intentional. \r\n\r\nIf APM needs to be more prominent here, you
could say *Elastic\r\nObservability and APM* , but it's misleading to
say that you can use\r\nElastic APM for all of the use cases listed
here.\r\n\r\nNote that I didn't search the Kibana Guide for other
instances of this\r\nproblem; I just noticed this while doing something
else and wanted to\r\nmake sure it's fixed.\r\n\r\n###
Checklist\r\n\r\nDelete any items that are not applicable to this
PR.\r\n\r\n- [x] Any text added follows [EUI's
writing\r\nguidelines](https://elastic.github.io/eui/#/guidelines/writing),
uses\r\nsentence case text and includes
[i18n\r\nsupport](https://github.com/elastic/kibana/blob/main/packages/kbn-i18n/README.md)","sha":"6feb736f8631d558f2053a1e62bb5f887805245c","branchLabelMapping":{"^v8.9.0$":"main","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["release_note:skip","backport-v8.0.0","v8.8.0","v8.9.0"],"number":158983,"url":"https://github.com/elastic/kibana/pull/158983","mergeCommit":{"message":"Fix
observability solution name (#158983)\n\nNot sure if the original text
was intentional. \r\n\r\nIf APM needs to be more prominent here, you
could say *Elastic\r\nObservability and APM* , but it's misleading to
say that you can use\r\nElastic APM for all of the use cases listed
here.\r\n\r\nNote that I didn't search the Kibana Guide for other
instances of this\r\nproblem; I just noticed this while doing something
else and wanted to\r\nmake sure it's fixed.\r\n\r\n###
Checklist\r\n\r\nDelete any items that are not applicable to this
PR.\r\n\r\n- [x] Any text added follows [EUI's
writing\r\nguidelines](https://elastic.github.io/eui/#/guidelines/writing),
uses\r\nsentence case text and includes
[i18n\r\nsupport](https://github.com/elastic/kibana/blob/main/packages/kbn-i18n/README.md)","sha":"6feb736f8631d558f2053a1e62bb5f887805245c"}},"sourceBranch":"main","suggestedTargetBranches":["8.8"],"targetPullRequestStates":[{"branch":"8.8","label":"v8.8.0","labelRegex":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"},{"branch":"main","label":"v8.9.0","labelRegex":"^v8.9.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/158983","number":158983,"mergeCommit":{"message":"Fix
observability solution name (#158983)\n\nNot sure if the original text
was intentional. \r\n\r\nIf APM needs to be more prominent here, you
could say *Elastic\r\nObservability and APM* , but it's misleading to
say that you can use\r\nElastic APM for all of the use cases listed
here.\r\n\r\nNote that I didn't search the Kibana Guide for other
instances of this\r\nproblem; I just noticed this while doing something
else and wanted to\r\nmake sure it's fixed.\r\n\r\n###
Checklist\r\n\r\nDelete any items that are not applicable to this
PR.\r\n\r\n- [x] Any text added follows [EUI's
writing\r\nguidelines](https://elastic.github.io/eui/#/guidelines/writing),
uses\r\nsentence case text and includes
[i18n\r\nsupport](https://github.com/elastic/kibana/blob/main/packages/kbn-i18n/README.md)","sha":"6feb736f8631d558f2053a1e62bb5f887805245c"}}]}]
BACKPORT-->

Co-authored-by: DeDe Morton <dede.morton@elastic.co>

docs/setup/connect-to-elasticsearch.asciidoc

@@ -31,7 +31,7 @@ Discover, extract, and index your web content into App Search engines using the
 Search across Google Drive, GitHub, Salesforce, and many other web services using
 {workplace-search-ref}/workplace-search-content-sources.html[Workplace Search content sources].
 
-* *Elastic APM.*
+* *Elastic Observability.*
 Get logs, metrics, traces, and uptime data into the Elastic Stack.
 Integrations are available for popular services and platforms,
 such as Nginx, AWS, and MongoDB,