Bump System.Text.Json from 8.0.5 to 9.0.0 in /src/vs-bicep #36560

Job	Run time
Build CLI (win-x64)	1m 38s
Build NuGet Packages	1m 23s
Build CLI (linux-x64)	1m 40s
Build Playground	3m 10s
Build CLI (linux-musl-x64)	1m 30s
Build CLI (osx-x64)	1m 37s
Build: VSCode Extension	2m 47s
Build CLI (linux-arm64)	1m 44s
Build Visual Studio Extension	4m 38s
Build Highlight Libraries	4m 15s
Build CLI (win-arm64)	1m 41s
Check secret access	2s
Build CLI (osx-arm64)	1m 36s
Test Dotnet (windows-latest) (Core)	5m 31s
Test Dotnet (ubuntu-latest) (Core)	3m 36s
Test Dotnet (windows-latest) (LangServer)	6m 12s
Test Dotnet (ubuntu-latest) (LangServer)	5m 6s
Test Dotnet (windows-latest) (Others)	6m 6s
Test Dotnet (ubuntu-latest) (Others)	4m 20s
Build CLI NuGet Packages (win-x64)	3m 35s
Build Windows Setup	1m 15s
Test CLI (e2e) (win-x64)	4m 41s
Build CLI NuGet Packages (linux-x64)	2m 34s
Test CLI (e2e) (linux-x64)	3m 23s
Build CLI NuGet Packages (osx-x64)	3m 58s
Test CLI (e2e) (linux-musl-x64)	53s
Build CLI NuGet Packages (win-arm64)	40s
Test CLI (e2e) (osx-x64)	8m 32s
Build CLI NuGet Packages (linux-arm64)	34s
Build CLI NuGet Packages (osx-arm64)	43s
Test CLI (live) (${{ matrix.runtime.rid }}) (${{ matrix.environment }})	0s
Test CLI (live) (linux-musl-x64) (${{ matrix.environment }})	0s
Test: VSCode Extension (windows-latest, true)	8m 8s
PR Comment: Preview Links	5s
Test: VSCode Extension (ubuntu-latest, true)	2m 30s
Test: VSCode Bicep UI (windows-latest)	1m 12s
Test: VSCode Bicep UI (ubuntu-latest)	37s
Test: VSCode Bicep UI (macos-latest)	51s
PR Comment: Dotnet Tests Summary	18s
	1h 43m 1s

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