Bump fast-uri to 3.1.2 in all package-lock.json files

[Copilot]

Summary

Bumps fast-uri from 3.0.1/3.1.0 to 3.1.2 (latest) across all 11 package-lock.json files in the repository.

Updated files

File	Previous Version
src/dotnet/APIView/APIViewWeb/Client/package-lock.json	3.0.1
src/dotnet/APIView/ClientSPA/package-lock.json	3.1.0
.github/skills/azure-typespec-author/evaluate/fixtures/Microsoft.Widget/Widget/package-lock.json	3.1.0
eng/common/tsp-client/package-lock.json	3.1.0
tools/apiview/parsers/js-api-parser/package-lock.json	3.1.0
tools/apiview/parsers/apiview-treestyle-parser-schema/package-lock.json	3.1.0
tools/apiview/emitters/typespec-apiview/package-lock.json	3.1.0
tools/sdk-ai-bots/azure-sdk-qa-bot-backend/tsp/package-lock.json	3.1.0
tools/tsp-client/package-lock.json	3.1.0
tools/js-sdk-release-tools/package-lock.json	3.1.0
tools/test-proxy/typespec/package-lock.json	3.1.0

Validation

• ✅ No known vulnerabilities in fast-uri 3.1.2
• ✅ Code review passed
• ✅ Security scan passed