chore(deps): bump @prisma/client from 6.6.0 to 7.8.0 in /webapp

Bumps [@prisma/client](https://github.com/prisma/prisma/tree/HEAD/packages/client) from 6.6.0 to 7.8.0.
- [Release notes](https://github.com/prisma/prisma/releases)
- [Commits](https://github.com/prisma/prisma/commits/7.8.0/packages/client)

---
updated-dependencies:
- dependency-name: "@prisma/client"
  dependency-version: 7.8.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

webapp/package-lock.json

@@ -16,7 +16,7 @@
     "@aws-sdk/client-ssm": "^3.1068.0",
     "@aws-sdk/client-translate": "^3.1068.0",
     "@next-safe-action/adapter-react-hook-form": "^1.0.14",
-    "@prisma/client": "^6.6.0",
+    "@prisma/client": "^7.8.0",
     "aws-amplify": "^6.16.2",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",