[DOCS] Add 6.8.20 release notes (#79109)

Adam Locke · web-flow · commit 5a141a3e9051 · 2021-10-13T20:00:15.000-04:00
* [DOCS] Add 6.8.20 release notes

* Add tag

* Update index
diff --git a/docs/reference/release-notes.asciidoc b/docs/reference/release-notes.asciidoc
@@ -5,6 +5,7 @@
 --
 This section summarizes the changes in each release.
 
+* <<release-notes-6.8.20>>
 * <<release-notes-6.8.19>>
 * <<release-notes-6.8.18>>
 * <<release-notes-6.8.17>>
diff --git a/docs/reference/release-notes/6.8.asciidoc b/docs/reference/release-notes/6.8.asciidoc
@@ -1,3 +1,10 @@
+[[release-notes-6.8.20]]
+== {es} version 6.8.20
+
+coming::[6.8.20]
+
+No significant changes.
+
 [[release-notes-6.8.19]]
 == {es} version 6.8.19
 
