Add Fleet Server 9.4.2 release notes (#7114)

* add the 9.4.2 Fleet Server release notes

* removing incorrect PR links

* Apply suggestions from code review

Co-authored-by: Visha Angelova <91186315+vishaangelova@users.noreply.github.com>

---------

Co-authored-by: ebeahan <7226265+ebeahan@users.noreply.github.com>
Co-authored-by: ebeahan <eric.beahan@elastic.co>
Co-authored-by: Visha Angelova <91186315+vishaangelova@users.noreply.github.com>

Author: 3 people

changelog/9.4.2.yaml

@@ -0,0 +1,44 @@
+version: 9.4.2
+entries:
+    - kind: bug-fix
+      summary: OpAMP redact sensitive values in slice maps
+      description: ""
+      component: fleet-server
+      pr:
+        - https://github.com/elastic/fleet-server/pull/6955
+      issue:
+        - https://github.com/elastic/elastic-agent-libs/issues/415
+      impact: ""
+      action: ""
+      timestamp: 1777917457
+      file:
+        name: 1777917457-OpAMP-redact-sensitive-values-in-header-maps.yaml
+        checksum: 3c0d316a2b28c2597e6377c42c3358fad6ef908c
+    - kind: bug-fix
+      summary: fix effective_config not removing deleted pipelines for opamp collectors
+      description: ""
+      component: fleet-server
+      pr:
+        - https://github.com/elastic/fleet-server/pull/6988
+      issue:
+        - https://github.com/elastic/fleet-server/issues/6877
+      impact: ""
+      action: ""
+      timestamp: 1778261857
+      file:
+        name: 1778261857-fix-effective_config-not-removing-deleted-pipelines-for-opamp-collectors.yaml
+        checksum: fe28bca1fbe918cc694ba3f62090bd872f72262b
+    - kind: security
+      summary: fix missing authagent in uploadchunk
+      description: |
+        Validate that the uploading agent of the chunk has the permissions to write that chunk.
+      component: fleet-server
+      pr:
+        - https://github.com/elastic/fleet-server/pull/7007
+      issue: []
+      impact: ""
+      action: ""
+      timestamp: 1778534244
+      file:
+        name: 1778534244-fix-missing-authagent-in-uploadchunk.yaml
+        checksum: 8d4dcc68c12c238c6424e294daf18359f2e154c4

changelog/fragments/1777917457-OpAMP-redact-sensitive-values-in-header-maps.yaml

@@ -0,0 +1,3 @@
+## 9.4.2 [fleet-server-9.4.2-breaking-changes]
+
+_No breaking changes._

changelog/fragments/1778261857-fix-effective_config-not-removing-deleted-pipelines-for-opamp-collectors.yaml

@@ -0,0 +1,3 @@
+## 9.4.2 [fleet-server-9.4.2-deprecations]
+
+_No deprecations._

changelog/fragments/1778534244-fix-missing-authagent-in-uploadchunk.yaml

@@ -0,0 +1,13 @@
+## 9.4.2 [fleet-server-release-notes-9.4.2]
+
+
+
+
+
+### Fixes [fleet-server-9.4.2-fixes]
+
+
+* Fix missing `authAgent` in `UploadChunk`. [#7007](https://github.com/elastic/fleet-server/pull/7007)
+* OpAMP redact sensitive values in slice maps. [#6955](https://github.com/elastic/fleet-server/pull/6955) [#415](https://github.com/elastic/elastic-agent-libs/issues/415)
+* Fix `effective_config` not removing deleted pipelines for OpAMP collectors. [#6988](https://github.com/elastic/fleet-server/pull/6988) [#6877](https://github.com/elastic/fleet-server/issues/6877)
+

docs/release-notes/_snippets/9.4.2/breaking-changes.md

@@ -1,3 +1,6 @@
+:::{include} /release-notes/_snippets/9.4.2/breaking-changes.md
+:::
+
 :::{include} /release-notes/_snippets/9.4.1/breaking-changes.md
 :::
 

docs/release-notes/_snippets/9.4.2/deprecations.md

@@ -1,3 +1,6 @@
+:::{include} /release-notes/_snippets/9.4.2/deprecations.md
+:::
+
 :::{include} /release-notes/_snippets/9.4.1/deprecations.md
 :::
 

docs/release-notes/_snippets/9.4.2/index.md

@@ -1,3 +1,6 @@
+:::{include} /release-notes/_snippets/9.4.2/index.md
+:::
+
 :::{include} /release-notes/_snippets/9.4.1/index.md
 :::