2.19 EOL is 2026 (#2995) (#2996)

(cherry picked from commit 497810d)

Co-authored-by: Matt Martz <[email protected]>

Author: patchback[bot]

docs/docsite/rst/reference_appendices/release_and_maintenance.rst

@@ -170,7 +170,7 @@ Dates listed indicate the start date of the maintenance cycle.
      - | GA: 21 July 2025
        | Critical: 03 Nov 2025
        | Security: 18 May 2026
-     - Nov 2027
+     - Nov 2026
      - | Python 3.11 - 3.13
      - | Python 3.8 - 3.13
        | PowerShell 5.1