fix: allow PHP8.0

Merge pull request #984 from einorler/singular-fields

Added a possibility to have singular embedded fields

Merge pull request #983 from ongr-io/7.0

fixed normalization of null embedded objects

Merge pull request #981 from arturLitvinavicius/master

php 8 support

Merge pull request #979 from demianchuk/master

Issue: Count feature missing #934

Merge pull request #963 from jdreesen/fix-doctrine-inflector-deprecat…

…ions

Fix doctrine/inflector deprecations and allow to install v2

Merge pull request #929 from pkly/master

Remove managers from profiler view

Merge remote-tracking branch 'remotes/origin/6.2' into 7.0

remove coveralls in a favor of codecov

Merge remote-tracking branch 'remotes/origin/6.2' into 7.0