Update dependency composer/installers to v2.1.1 (9.x)

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
composer/installers (source)	require	minor	2.0.1 -> 2.1.1

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Release Notes

composer/installers

### [`v2.1.1`](https://togithub.com/composer/installers/blob/HEAD/CHANGELOG.md#v211---2022-04-13) [Compare Source](https://togithub.com/composer/installers/compare/v2.1.0...v2.1.1) ##### Fixed - Fixed TastyIgniter parsing of extra data to use the package being installed instead of the root package ([#​507](https://togithub.com/composer/installers/issues/507)) ### [`v2.1.0`](https://togithub.com/composer/installers/blob/HEAD/CHANGELOG.md#v210---2022-03-18) [Compare Source](https://togithub.com/composer/installers/compare/v2.0.1...v2.1.0) ##### Added - Added new types (antivirus, customfield, contenttype, dataformat, media, paygw) for Moodle ([#​497](https://togithub.com/composer/installers/issues/497)) - Added new `tastyigniter-module` type to TastyIgniter ([#​503](https://togithub.com/composer/installers/issues/503)) - Added new `extra.plugin-modifies-install-path` to composer/installers for Composer 2.3 support, see [docs](https://getcomposer.org/doc/articles/plugins.md#plugin-modifies-install-path) if you are writing your own custom installer plugin.

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