Add release notes for 8.1.2 (#7790) (#7800)

Co-authored-by: Florian Bernd <[email protected]>

Author: github-actions[bot]

docs/release-notes/release-notes-8.1.2.asciidoc

@@ -0,0 +1,17 @@
+[[release-notes-8.1.2]]
+== Release notes v8.1.2
+
+[discrete]
+=== Bug fixes
+
+- https://github.com/elastic/elasticsearch-net/pull/7718[#7718] Regen index setting blocks based on fixed spec (issue: https://github.com/elastic/elasticsearch-net/issues/7714[#7714])
+
+[discrete]
+=== Enhancements
+
+- https://github.com/elastic/elasticsearch-net/pull/7781[#7781] Bump dependencies (issue: https://github.com/elastic/elasticsearch-net/issues/7752[#7752])
+
+[discrete]
+=== Docs
+
+- https://github.com/elastic/elasticsearch-net/pull/7772[#7772] [Backport 8.1] [Backport 8.7][DOCS] Adds getting started content based on the template (issue: https://github.com/elastic/elasticsearch-net/pull/7770[#7770])

docs/release-notes/release-notes.asciidoc

@@ -6,6 +6,7 @@
 [discrete]
 == Version 8.1
 
+* <<release-notes-8.1.2,Release notes v8.1.2>>
 * <<release-notes-8.1.1,Release notes v8.1.1>>
 * <<release-notes-8.1.0,Release notes v8.1.0>>
 
@@ -25,6 +26,7 @@
 * <<release-notes-8.0.0,Release notes v8.0.0>>
 
 include::breaking-change-policy.asciidoc[]
+include::release-notes-8.1.2.asciidoc[]
 include::release-notes-8.1.1.asciidoc[]
 include::release-notes-8.1.0.asciidoc[]
 include::release-notes-8.0.10.asciidoc[]