op-build v2.0.11 release notes

Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
(cherry picked from commit 8362fd60b775284cdc9a97f89789496139527d06)
Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
diff --git a/doc/release-notes/index.rst b/doc/release-notes/index.rst
index a9bc56f..3f8345b 100644
--- a/doc/release-notes/index.rst
+++ b/doc/release-notes/index.rst
@@ -25,6 +25,7 @@
    v2.0.8
    v2.0.9
    v2.0.10
+   v2.0.11
    v2.1-rc1
    v2.1
    v2.2-rc1