Update tzdata requirement from >=2021.1 to >=2026.1 (#15911)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -6,7 +6,7 @@ colorama==0.4.6
 icmplib==3.0.4
 tornado==6.5.5
 tzlocal==5.3.1    # from time
-tzdata>=2021.1  # from time
+tzdata>=2026.1  # from time
 pyserial==3.5
 platformio==6.1.19
 esptool==5.2.0