chore(deps): update dependency wp-cli/i18n-command to v2.6.3

This PR contains the following updates:

Package	Type	Update	Change
wp-cli/i18n-command	require-dev	patch	`2.6.2` -> `2.6.3`

[!WARNING] Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

Review

[ ] Updates have been tested and work
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Release Notes

wp-cli/i18n-command (wp-cli/i18n-command)

### [`v2.6.3`](https://redirect.github.com/wp-cli/i18n-command/releases/tag/v2.6.3): Version 2.6.3 [Compare Source](https://redirect.github.com/wp-cli/i18n-command/compare/v2.6.2...v2.6.3) - PHPUnit: convert deprecations to exceptions \[[#413](https://redirect.github.com/wp-cli/i18n-command/pull/413)] - Fix newly reported PHPCS error \[[#412](https://redirect.github.com/wp-cli/i18n-command/pull/412)] - Composer: prevent a lock file from being created \[[#411](https://redirect.github.com/wp-cli/i18n-command/pull/411)]

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cds-snc / gc-articles