fix(deps): update prisma monorepo to v7

Author: renovate[bot]

packages/core/package.json

@@ -245,9 +245,9 @@
     "@keystar/ui": "^0.7.19",
     "@nodelib/fs.walk": "^3.0.0",
     "@opentelemetry/api": "^1.9.0",
-    "@prisma/client": "6.5.0",
-    "@prisma/internals": "6.5.0",
-    "@prisma/migrate": "6.5.0",
+    "@prisma/client": "7.4.0",
+    "@prisma/internals": "7.4.0",
+    "@prisma/migrate": "7.4.0",
     "@react-aria/i18n": "^3.12.1",
     "@react-aria/label": "^3.7.10",
     "@react-aria/utils": "^3.25.1",
@@ -278,7 +278,7 @@
     "meow": "^9.0.0",
     "next": "^15.5.7",
     "pluralize": "^8.0.0",
-    "prisma": "6.5.0",
+    "prisma": "7.4.0",
     "prompts": "^2.4.2",
     "react": "^19.2.1",
     "react-dom": "^19.2.1",