docs: Update Capacitor 6 maintenance status (#444)

Author: jcesarmobile

docs/main/reference/support-policy.mdx

@@ -23,7 +23,7 @@ The current status of each Capacitor version is:
 | Version |      Status      |    Released    | Maintenance Ends  | Ext. Support Ends |
 | :-----: | :--------------: | :------------: | :---------------: | :---------------: |
 |   V7    |    **Active**    |January 20, 2025|        TBD        |        TBD        |
-|   V6    |   Maintenance    | April 15, 2024 |   July 20, 2025   | January 20, 2026  |
+|   V6    |   Ext. Support   | April 15, 2024 |   July 20, 2025   | January 20, 2026  |
 |   V5    |  End of Support  |   May 3, 2023  | October 15, 2024  |  April 15, 2025   |
 |   V4    |  End of Support  |  July 27, 2022 | November 3, 2023  |    May 3, 2024    |
 |   V3    |  End of Support  |  May 18, 2021  | January 27, 2023  |   July 27, 2023   |

versioned_docs/version-v6/main/reference/support-policy.mdx

@@ -22,7 +22,7 @@ The current status of each Capacitor version is:
 
 | Version |      Status      |    Released    | Maintenance Ends  | Ext. Support Ends |
 | :-----: | :--------------: | :------------: | :---------------: | :---------------: |
-|   V6    |   Maintenance    | April 15, 2024 |   July 20, 2025   | January 20, 2026  |
+|   V6    |   Ext. Support   | April 15, 2024 |   July 20, 2025   | January 20, 2026  |
 |   V5    |  End of Support  |   May 3, 2023  | October 15, 2024  |  April 15, 2025   |
 |   V4    |  End of Support  |  July 27, 2022 | November 3, 2023  |    May 3, 2024    |
 |   V3    |  End of Support  |  May 18, 2021  | January 27, 2023  |   July 27, 2023   |