Add 5.10 to the LTS list

Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/content/releases.rst b/content/releases.rst
index 5a52265..ac58951 100644
--- a/content/releases.rst
+++ b/content/releases.rst
@@ -40,6 +40,7 @@
     ======== ================================ ============ ==================
     Version  Maintainer                       Released     Projected EOL
     ======== ================================ ============ ==================
+    5.10     Greg Kroah-Hartman & Sasha Levin 2020-12-13   Dec, 2022
     5.4      Greg Kroah-Hartman & Sasha Levin 2019-11-24   Dec, 2025
     4.19     Greg Kroah-Hartman & Sasha Levin 2018-10-22   Dec, 2024
     4.14     Greg Kroah-Hartman & Sasha Levin 2017-11-12   Jan, 2024