Merge branch '515-add-middleware-for-composer-manifest-generation' into 'develop'

[FEATURE] Add Middleware for composer manifest generation

Closes #515

See merge request !653
9 jobs for 516-add-information-on-uploading-extension-version-without-composer-json in 5 minutes and 57 seconds (queued for 4 seconds)
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  Maintenance
manual #31600
allowed to fail manual
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  Test
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test:php

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test:typoscript

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test:unit

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  Build
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build

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  Layout
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layout

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  Badges
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Create Badge

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mutation:badge

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