Add 2.11.3 release to 2.11 docs (#4165)

Author: p7nov

doc/release/2.11.0.rst

@@ -3,7 +3,7 @@ Tarantool 2.11 (LTS)
 
 Release date: May 24, 2023
 
-Releases on GitHub: :tarantool-release:`2.11.1`, :tarantool-release:`2.11.0`
+Releases on GitHub: :tarantool-release:`2.11.3`, :tarantool-release:`2.11.2`, :tarantool-release:`2.11.1`, :tarantool-release:`2.11.0`
 
 The 2.11 release of Tarantool includes many new features and fixes.
 This document provides an overview of the most important features for the Enterprise and Community editions.

doc/release/_images/releases_calendar.svg

@@ -2,8 +2,8 @@ Release calendar
 ================
 
 Every Tarantool release series has :ref:`the same lifecycle <release-series-lifecycle>`.
-Below you can find the lifecycle of all Tarantool versions starting from 1.10.x,
-as well as currently supported versions visualised as a calendar:
+Below you can find the lifecycle of Tarantool 2.x versions supported in 2024
+visualised as a calendar:
 
 .. ifconfig:: builder not in ('latex', )
 
@@ -12,6 +12,7 @@ as well as currently supported versions visualised as a calendar:
         :align: left
         :alt: releases_calendar.svg
 
+
 ..  _release-table:
 
 Release lifetime table
@@ -34,6 +35,16 @@ after the specified date.
             -   End of life
             -   End of support
 
+        *   -   `2.11.3 LTS <https://github.com/tarantool/tarantool/releases/tag/2.11.3>`_
+            -   April 18, 2024
+            -   May 24, 2025
+            -   Not planned yet
+
+        *   -   `2.11.2 LTS <https://github.com/tarantool/tarantool/releases/tag/2.11.2>`_
+            -   December 7, 2023
+            -   May 24, 2025
+            -   Not planned yet
+
         *   -   `2.11.1 LTS <https://github.com/tarantool/tarantool/releases/tag/2.11.1>`_
             -   August 17, 2023
             -   May 24, 2025

doc/release/calendar.rst

@@ -6,7 +6,10 @@
 Releases
 ========
 
-This section contains release notes for all Tarantool versions, starting from 1.6 up to the latest.
+This section contains release notes for Tarantool versions from 1.6 to 2.11.
+For information about newer release series, see the corresponding version's
+documentation.
+
 To download Tarantool releases, check the `Download <https://www.tarantool.io/en/download/>`_ page.
 
 Since version 2.10, a :doc:`new release policy for Tarantool <policy>` has been introduced.