Update next date for SoCraTes Family Switzerland (#254)

Author: patbaumgartner

conferences/socrates-family-ch.json

@@ -4,8 +4,8 @@
   "url": "https://ch.socrates.family/",
   "code-of-conduct": "https://ch.socrates.family/index.html#content4-7",
   "next-date": {
-    "start": "2026-05-14",
-    "end": "2026-05-17"
+    "start": "2027-05-06",
+    "end": "2027-05-09"
   },
   "location": {
     "city": "Breil/Brigels",