build: add missing vscode-nls to npm_translate_lock hoisted package

[gregmagolan]

Looks like this regressed at some point. The //:npm target fails to build with

ERROR: /Users/greg/aspect/google/vscode-ng-language-service/BUILD.bazel:34:12: Copying files to directory failed: missing input file '//:node_modules/vscode-nls'
ERROR: /Users/greg/aspect/google/vscode-ng-language-service/BUILD.bazel:34:12: Copying files to directory failed: 1 input file(s) do not exist

at HEAD without this fix

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