Add release notes for 8.0.7 (#7347)

Author: stevejgordon

docs/release-notes/release-notes-8.0.7.asciidoc

@@ -0,0 +1,7 @@
+[[release-notes-8.0.7]]
+== Release notes v8.0.7
+
+[discrete]
+=== Bug fixes
+
+- https://github.com/elastic/elasticsearch-net/pull/7337[#7337] Fix code-gen for dynamic_templates. (issue: https://github.com/elastic/elasticsearch-net/issues/7234[#7234])

docs/release-notes/release-notes.asciidoc

@@ -6,6 +6,7 @@
 [discrete]
 == Version 8.0
 
+* <<release-notes-8.0.7,Release notes v8.0.7>>
 * <<release-notes-8.0.6,Release notes v8.0.6>>
 * <<release-notes-8.0.5,Release notes v8.0.5>>
 * <<release-notes-8.0.4,Release notes v8.0.4>>
@@ -15,6 +16,7 @@
 * <<release-notes-8.0.0,Release notes v8.0.0>>
 
 include::breaking-change-policy.asciidoc[]
+include::release-notes-8.0.7.asciidoc[]
 include::release-notes-8.0.6.asciidoc[]
 include::release-notes-8.0.5.asciidoc[]
 include::release-notes-8.0.4.asciidoc[]