Operators rarely write the canton in their address/QTH but do write the city.
Add a per-reference city regex to every one of the 26 cantons (same mechanism as
WAPC): the description match now fires on the canton NAME or any of its main
cities (Genève→GE, Lausanne→VD, Zürich→ZH, Bellinzona→TI, …), with accented and
ASCII/localised spellings. Scoped to DXCC 287 so cross-border city-name clashes
can't misfire. Catalog version bumped 1→2 so the update reaches anyone already
running H26 v1 (unless they've edited it).
New built-in award file internal/award/catalog/h26.json (USKA "The Helvetia 26
Award HF"): 26-canton reference list, matches the canton from the QSO address
(OR-rule: QTH) by description, scoped to DXCC 287 (HB) on HF. Fixed a typo in
the description ("Swityerland"). Changelog entry added (EN+FR).