build: migrate from npm to pnpm with workspace catalogs

- Switch package manager to pnpm 10 via corepack
- Add pnpm-workspace.yaml with 54+ shared dependency catalogs
- Convert all workspace packages to catalog: and workspace:* protocols
- Upgrade Turborepo from 1.x to 2.8.12 (pipeline -> tasks)
- Upgrade apps/openpage-api from Next 15 to Next 16
- Update Docker, CI workflows, and GitHub Actions for pnpm
- Convert patch file to pnpm native format
- Replace deprecated next lint with standalone eslint
- Update all documentation references from npm to pnpm
- Fix stale dependabot config and documentation paths

packages/prisma/package.json

@@ -21,21 +21,21 @@
     "seed": "tsx ./seed-database.ts"
   },
   "dependencies": {
-    "@prisma/client": "^6.19.0",
-    "kysely": "0.28.8",
-    "nanoid": "^5.1.6",
-    "prisma": "^6.19.0",
+    "@prisma/client": "catalog:",
+    "kysely": "catalog:",
+    "nanoid": "catalog:",
+    "prisma": "catalog:",
     "prisma-extension-kysely": "^3.0.0",
     "prisma-kysely": "^2.3.0",
     "prisma-json-types-generator": "^3.6.2",
-    "ts-pattern": "^5.9.0",
-    "zod": "^3.25.76",
+    "ts-pattern": "catalog:",
+    "zod": "catalog:",
     "zod-prisma-types": "3.3.5"
   },
   "devDependencies": {
     "dotenv": "^17.2.3",
     "dotenv-cli": "^11.0.0",
-    "tsx": "^4.20.6",
-    "typescript": "5.6.2"
+    "tsx": "catalog:",
+    "typescript": "catalog:"
   }
 }