Update Mise-a-jour-v2.0.0-beta.3-vers-v2.0.0-beta.4.md

Précisions sur migrations doctrine
3 jobs for patch-1 in 8 minutes and 11 seconds (queued for 1 second)
Status Job ID Name Coverage
  Pre Build
passed #38884
get-version

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  Test
passed #38885
test-app

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  Build
passed #38886
build-app

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