fix(examples): update build command

[shortcuts]

Summary

Updates parcel 2 build command.
The main prop overrides the default build location (which is ./dist)

main usage
parcel v2 build

[codesandbox-ci]

This pull request is automatically built and testable in CodeSandbox.

To see build info of the built libraries, click here or the icon next to each commit SHA.

Latest deployment of this branch, based on commit 8091449:

Sandbox	Source
@algolia/autocomplete-example-github-repositories-custom-plugin	Configuration
@algolia/autocomplete-example-multiple-datasets-with-headers	Configuration
@algolia/autocomplete-example-playground	Configuration
@algolia/autocomplete-example-query-suggestion-with-categories	Configuration
@algolia/autocomplete-example-query-suggestions-with-hits	Configuration
@algolia/autocomplete-example-query-suggestions-with-inline-categories	Configuration
@algolia/autocomplete-example-query-suggestions-with-recent-searches-and-categories	Configuration
@algolia/autocomplete-example-query-suggestions-with-recent-searches	Configuration
@algolia/autocomplete-example-query-suggestions	Configuration
@algolia/autocomplete-example-react-renderer	Configuration