chore(deps): update dependency composer/composer to ^2.7.9

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
composer/composer (source)	^2.7.8 -> ^2.7.9

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Release Notes

composer/composer (composer/composer)

v2.7.9

Compare Source

• Fixed Docker detection breaking on constrained environments (#​12095)
  • Fixed upstream issue in bash completion script, it is recommended to update it using the completion command (#​12015)

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[mrdavidburns]

Patch release, all checks pass.