chore: update SDK to ^0.2.6 in fullstack templates

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: doble196

templates/fullstack/apps-api-express/package.json.hbs

@@ -10,7 +10,7 @@
     "typecheck": "tsc --noEmit"
   },
   "dependencies": {
-    "@githat/nextjs": "^0.2.5",
+    "@githat/nextjs": "^0.2.6",
     "cors": "^2.8.5",
     "express": "^5.0.0"
   },

templates/fullstack/apps-api-fastify/package.json.hbs

@@ -11,7 +11,7 @@
   },
   "dependencies": {
     "@fastify/cors": "^10.0.0",
-    "@githat/nextjs": "^0.2.5",
+    "@githat/nextjs": "^0.2.6",
     "fastify": "^5.2.0"
   },
   "devDependencies": {

templates/fullstack/apps-api-hono/package.json.hbs

@@ -10,7 +10,7 @@
     "typecheck": "tsc --noEmit"
   },
   "dependencies": {
-    "@githat/nextjs": "^0.2.5",
+    "@githat/nextjs": "^0.2.6",
     "@hono/node-server": "^1.13.0",
     "hono": "^4.6.0"
   },

templates/fullstack/apps-web-nextjs/package.json.hbs

@@ -10,7 +10,7 @@
     "typecheck": "tsc --noEmit"
   },
   "dependencies": {
-    "@githat/nextjs": "^0.2.5",
+    "@githat/nextjs": "^0.2.6",
     "next": "^16.0.0",
     "react": "^19.0.0",
     "react-dom": "^19.0.0"