chore(deps): update dependency @pika/plugin-build-web to v0.6.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
@pika/plugin-build-web (source)	devDependencies	minor	0.5.1 -> 0.6.0

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Release Notes

pikapkg/builders

### [`v0.6.0`](https://togithub.com/pikapkg/builders/releases/v0.6.0) [Compare Source](https://togithub.com/pikapkg/builders/compare/v0.5.1...v0.6.0) - [#​26](https://togithub.com/pikapkg/builders/issues/26) Added souremap support! It's on by default, but you can turn it off by passing `{"sourcemap": false}` to each builder. Or, starting in [@​pika/build](https://togithub.com/pika/build) v0.5.0, you can set `"sourcemap": false` to the top-level `@pika/pack` configuration. - Improved some docs

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