docs: add 21.3.x release schedule

Signed-off-by: Eric Engestrom <eric@engestrom.ch>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13848>

diff --git a/docs/release-calendar.csv b/docs/release-calendar.csv
index 9f013ff..9ec373b 100644 (file)
--- a/docs/release-calendar.csv
+++ b/docs/release-calendar.csv
@@ -1,3 +1,10 @@
 21.2,2021-11-10,21.2.6,Dylan Baker,\r
 ,2021-11-24,21.2.7,Dylan Baker,\r
 ,2021-12-08,21.2.8,Dylan Baker,Last planned 21.2.x release.\r
+21.3,2021-12-01,21.3.1,Eric Engestrom,\r
+,2021-12-15,21.3.2,Eric Engestrom,\r
+,2021-12-29,21.3.3,Eric Engestrom,\r
+,2022-01-12,21.3.4,Eric Engestrom,\r
+,2022-01-26,21.3.5,Eric Engestrom,\r
+,2022-02-09,21.3.6,Eric Engestrom,\r
+,2022-02-23,21.3.7,Eric Engestrom,Last planned 21.3.x release.\r