Pick up latest TS for building VS Code

[mjbvz]

Currently breaks typescript-formatter:

TypeError: host.fileExists is not a function
      at getPackageJsonInfo (/Users/matb/projects/vscode/node_modules/typescript/lib/typescript.js:44904:31)
      at getPackageScopeForPath (/Users/matb/projects/vscode/node_modules/typescript/lib/typescript.js:44826:17)
      at lookupFromPackageJson (/Users/matb/projects/vscode/node_modules/typescript/lib/typescript.js:123723:30)
      at getImpliedNodeFormatForFileWorker (/Users/matb/projects/vscode/node_modules/typescript/lib/typescript.js:123717:353)
      at getImpliedNodeFormatForFile (/Users/matb/projects/vscode/node_modules/typescript/lib/typescript.js:123713:18)
      at SyntaxTreeCache.getCurrentSourceFile (/Users/matb/projects/vscode/node_modules/typescript/lib/typescript.js:148976:28)
      at Object.getFormattingEditsForDocument (/Users/matb/projects/vscode/node_modules/typescript/lib/typescript.js:149750:65)
      at Object.format (/Users/matb/projects/vscode/node_modules/typescript-formatter/lib/formatter.ts:26:35)
      at /Users/matb/projects/vscode/node_modules/typescript-formatter/lib/index.ts:174:33
      at processTicksAndRejections (node:internal/process/task_queues:95:5)

[justschen]

looks like some installs failed