[Security] 8.17.7 release notes (#6852)

* First draft

* PR and styling

(cherry picked from commit a9b1b25)

# Conflicts:
#	docs/release-notes.asciidoc

Author: nastasha-solomon

docs/release-notes.asciidoc

@@ -3,6 +3,12 @@
 
 This section summarizes the changes in each release.
 
+<<<<<<< HEAD
+=======
+* <<release-notes-8.18.1, {elastic-sec} version 8.18.1>>
+* <<release-notes-8.18.0, {elastic-sec} version 8.18.0>>
+* <<release-notes-8.17.7, {elastic-sec} version 8.17.7>>
+>>>>>>> a9b1b250 ([Security] 8.17.7 release notes (#6852))
 * <<release-notes-8.17.6, {elastic-sec} version 8.17.6>>
 * <<release-notes-8.17.5, {elastic-sec} version 8.17.5>>
 * <<release-notes-8.17.4, {elastic-sec} version 8.17.4>>

docs/release-notes/8.17.asciidoc

@@ -1,6 +1,16 @@
 [[release-notes-header-8.17.0]]
 == 8.17
 
+[discrete]
+[[release-notes-8.17.7]]
+=== 8.17.7
+
+[discrete]
+[[bug-fixes-8.17.7]]
+==== Fixes
+* Fixes a bug that caused installed prebuilt detection rules to upgrade to their latest available versions when you installed a new {elastic-defend} integration or {agent} policy ({kibana-pull}218519[#218519]).
+* Fixes a bug in {elastic-defend} 8.16.0 where {elastic-endpoint} would incorrectly report some files as being `.NET`.
+
 [discrete]
 [[release-notes-8.17.6]]
 === 8.17.6