docs: What's New & Upgrade Guide 9.5 (#64168)

* added what's new and upgrade guide 9.5 and updated whats new index page

* Added new nav and nested folders.

* added empty dashboard state and dashboards section

* fixed caption

* fixed formatting of link and UI element

* Add: onlyExternalOrgRoleSync

* Adds Alerting entries

* Adds alerting screenshots

* More alerting screenshots

* add dashboard panel redesign

* Update _index.md

* Adds search to notification policy entry

* deletes old line

* Removed nested folders (will be private preview and not part of what's new)

* Docs: support bundle section for 9.5 What's New (#65641)

* support bundle section for 9.5 what's new

* Update whats-new-in-v9-5.md

* Update docs/sources/whatsnew/whats-new-in-v9-5.md

Co-authored-by: Christopher Moyer <35463610+chri2547@users.noreply.github.com>

* doc feedback

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Co-authored-by: Eric Leijonmarck <eric.leijonmarck@gmail.com>
Co-authored-by: Christopher Moyer <35463610+chri2547@users.noreply.github.com>

* Influxdb database field deprecation notice

* Update reasoning

* fixed typo

* Docs: what's new API keys UI update (#65720)

* API keys deprecation

* Update docs/sources/whatsnew/whats-new-in-v9-5.md

Co-authored-by: Gabriel MABILLE <gamab@users.noreply.github.com>

* Update docs/sources/whatsnew/whats-new-in-v9-5.md

Co-authored-by: Gabriel MABILLE <gamab@users.noreply.github.com>

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Co-authored-by: Gabriel MABILLE <gamab@users.noreply.github.com>

* Docs: API keys UI updates (#65723)

update

* Docs: add dashboard previews deprecation notice (#65692)

* previews deprecation notice

* Apply suggestions from code review

Co-authored-by: Isabel <76437239+imatwawana@users.noreply.github.com>

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Co-authored-by: Isabel <76437239+imatwawana@users.noreply.github.com>

* we set the FF emptyDashboardPage ON by default, so it's available by default

* Update docs/sources/whatsnew/whats-new-in-v9-5.md

Co-authored-by: Isabel <76437239+imatwawana@users.noreply.github.com>

* add whats new toggle for prom browser cache feature

* Prometheus: metric encyclopedia feature toggle

* spell check

* Product editorial pass

Adds hyperlinks, notes release stages, updates intro, Adds content to upgrade guide

* add blurb for prom query cache

* Add more context to org role sync

Add more context to organization role sync about the ability to change a user's organization role even then sync is enabled. Also outlined why this is valuable and when it should be used.

* copy edit of upgrade guide

* copy edit and link fixes

* Update docs/sources/whatsnew/whats-new-in-v9-5.md

Makes it clear what can happen after sign in.

Co-authored-by: Isabel <76437239+imatwawana@users.noreply.github.com>

* Update docs/sources/whatsnew/whats-new-in-v9-5.md

Co-authored-by: Isabel <76437239+imatwawana@users.noreply.github.com>

* Update docs/sources/whatsnew/whats-new-in-v9-5.md

Co-authored-by: Isabel <76437239+imatwawana@users.noreply.github.com>

* Apply suggestions from code review

* fixes link

* Adds dark screenshot for alerting

* fixes alerting title

* Update whats-new-in-v9-5.md

* added missing quotation mark

* trigger linting

* small change to trigger linting

* fix title to follow pattern

* Update whats-new-in-v9-5.md

* Clearer explanation

* wording edits

* fixed heading levels

* fix title wording

* wording edit and availability fix

* remove extra space

* final copy edit

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Co-authored-by: Zsofia <zsofia.komaromi@gmail.com>
Co-authored-by: Eric Leijonmarck <eric.leijonmarck@gmail.com>
Co-authored-by: brendamuir <100768211+brendamuir@users.noreply.github.com>
Co-authored-by: Christopher Moyer <35463610+chri2547@users.noreply.github.com>
Co-authored-by: Ieva <ieva.vasiljeva@grafana.com>
Co-authored-by: ismail simsek <ismailsimsek09@gmail.com>
Co-authored-by: Gabriel MABILLE <gamab@users.noreply.github.com>
Co-authored-by: Artur Wierzbicki <artur.wierzbicki@grafana.com>
Co-authored-by: polinaboneva <polina.boneva@grafana.com>
Co-authored-by: Galen <galen.kistler@grafana.com>
Co-authored-by: bohandley <brendan.ohandley@gmail.com>
Co-authored-by: Mitchel Seaman <mitchel.seaman@gmail.com>
Co-authored-by: danielkenlee <115471695+danielkenlee@users.noreply.github.com>
Co-authored-by: Chris Moyer <chris.moyer@grafana.com>
Co-authored-by: Fabrizia Rossano <117294258+frossano-grafana@users.noreply.github.com>

docs/sources/_index.md

@@ -70,8 +70,8 @@ title: Grafana documentation
         <h4>Provisioning</h4>
         <p>Learn how to automate your Grafana configuration.</p>
     </a>
-    <a href="{{< relref "whatsnew/whats-new-in-v9-4/" >}}" class="nav-cards__item nav-cards__item--guide">
-        <h4>What's new in v9.4</h4>
+    <a href="{{< relref "whatsnew/whats-new-in-v9-5/" >}}" class="nav-cards__item nav-cards__item--guide">
+        <h4>What's new in v9.5</h4>
         <p>Explore the features and enhancements in the latest release.</p>
     </a>