chore(deps): update dependency package_info_plus to v7

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
package_info_plus (source)	dependencies	major	^6.0.0 -> ^7.0.0

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Release Notes

fluttercommunity/plus_plugins (package_info_plus)

### [`v7.0.0`](https://togithub.com/fluttercommunity/plus_plugins/blob/HEAD/packages/package_info_plus/package_info_plus/CHANGELOG.md#700) [Compare Source](https://togithub.com/fluttercommunity/plus_plugins/compare/package_info_plus-v6.0.0...package_info_plus-v7.0.0) > Note: This release has breaking changes. - **REFACTOR**(package_info_plus): Migrate Android example to use the new plugins declaration ([#​2715](https://togithub.com/fluttercommunity/plus_plugins/issues/2715)). ([33681cd9](https://togithub.com/fluttercommunity/plus_plugins/commit/33681cd91982d4db8e6d3d0e1ccf7c604091e48f)) - **BREAKING** **FEAT**(package_info_plus): Support multiple version.json locations in web ([#​2733](https://togithub.com/fluttercommunity/plus_plugins/issues/2733)). ([26047f30](https://togithub.com/fluttercommunity/plus_plugins/commit/26047f3062ea23f8e124f1c64e03dd8a566e9bac))

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