feat(Holiday): update holiday data for 2026

Author: ArgoZhang

src/components/BootstrapBlazor.Holiday/Data/2026.json

@@ -0,0 +1,67 @@
+[
+  {
+    "name": "元旦",
+    "range": [ "2026-01-01", "2026-01-03" ],
+    "type": "holiday"
+  },
+  {
+    "name": "元旦",
+    "range": [ "2026-01-04" ],
+    "type": "workingday"
+  },
+  {
+    "name": "春节",
+    "range": [ "2026-02-14" ],
+    "type": "workingday"
+  },
+  {
+    "name": "春节",
+    "range": [ "2026-02-15", "2026-02-23" ],
+    "type": "holiday"
+  },
+  {
+    "name": "春节",
+    "range": [ "2026-02-28" ],
+    "type": "workingday"
+  },
+  {
+    "name": "清明节",
+    "range": [ "2026-04-04", "2026-04-06" ],
+    "type": "holiday"
+  },
+  {
+    "name": "劳动节",
+    "range": [ "2026-05-01", "2026-05-05" ],
+    "type": "holiday"
+  },
+  {
+    "name": "劳动节",
+    "range": [ "2026-05-09" ],
+    "type": "workingday"
+  },
+  {
+    "name": "端午节",
+    "range": [ "2026-06-19", "2026-06-21" ],
+    "type": "holiday"
+  },
+  {
+    "name": "中秋节",
+    "range": [ "2026-09-20" ],
+    "type": "workingday"
+  },
+  {
+    "name": "中秋节",
+    "range": [ "2026-09-25", "2026-09-27" ],
+    "type": "holiday"
+  },
+  {
+    "name": "国庆节",
+    "range": [ "2026-10-01", "2026-10-07" ],
+    "type": "holiday"
+  },
+  {
+    "name": "国庆节",
+    "range": [ "2026-10-10" ],
+    "type": "workingday"
+  }
+]