doc: matter: update matter version and spec table

update matter version and spec table for release

Signed-off-by: Maciej Baczmanski <[email protected]>
(cherry picked from commit fbe4b47)

Author: maciejbaczmanski

doc/nrf/protocols/matter/index.rst

@@ -24,6 +24,8 @@ For a full list of |NCS| and Matter versions, view the following table:
    | nRF Connect SDK version  | Matter specification version                        | Matter SDK version     |
    +==========================+=====================================================+========================+
    | |release|                | :ref:`1.3.0 <ug_matter_overview_dev_model_support>` | 1.3.0.0                |
+   +--------------------------+                                                     |                        |
+   | v2.7.0                   |                                                     |                        |
    +--------------------------+-----------------------------------------------------+------------------------+
    | v2.6.2                   | :ref:`1.2.0 <ug_matter_overview_dev_model_support>` | 1.2.0.1                |
    +--------------------------+                                                     |                        |