Update reference/configuration/framework.rst

This PR is related to this one https://github.com/symfony/symfony/pull/5347.
Update reference/dic_tags.rst

Adding tags to the tag list reference
Update reference/configuration/framework.rst

Changing backticks
Update reference/configuration/framework.rst

The GetSetMethodNormalizer is not loaded by default
Add note about console autocompletion
Adapted the docs to the rename of the "virtual" form option to "inherit_data"
Update reference/configuration/framework.rst
Update reference/configuration/framework.rst
[#2283] Updating URL from 2.1 to master on master branch
added a note about the new setCurrent method on the progress helper
removed deprecated trust_proxy_headers docs
removed docs on PHP parsing in YAML files
updated deprecated usage of flash bags
removed deprecated min/max/minlength/maxlength constraints
updated the way form errors are customized
Added documentation to cover PR #6951 on serializer component.
Document new framework option http_method_override
Merge pull request #2342 from fabpot/progress-helper

added a note about the new setCurrent method on the progress helper
added documentation for the dispatchable console application
updated documentation for synchronized services