[TwigComponent] Remove $tag parameter from *Node, as it is now deprecated by twig/twig 3.12

[Kocal]

Q	A
Bug fix?	no
New feature?	no
Issues	Fix #...
License	MIT

This PR fix the deprecations added in twig/twig 3.12, about the $tag parameter from Node class:

➜  TwigComponent git:(2.x) sf php vendor/bin/simple-phpunit
PHPUnit 9.6.20 by Sebastian Bergmann and contributors.

Testing 
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Time: 00:00.514, Memory: 38.00 MB

OK (249 tests, 632 assertions)

Remaining direct deprecation notices (39)

  28x: Since twig/twig 3.12: The "tag" constructor argument of the "Symfony\UX\TwigComponent\Twig\ComponentNode" class is deprecated and ignored (check which TokenParser class set it to "component"), the tag is now automatically set by the Parser when needed.
    5x in EmbeddedComponentTest::testPassingDownBlocksMultipleLevelsNeedsToBeDoneManually from Symfony\UX\TwigComponent\Tests\Integration
    3x in EmbeddedComponentTest::testDeepNesting from Symfony\UX\TwigComponent\Tests\Integration
    3x in EmbeddedComponentTest::testItCanHandleMissingOuterBlocks from Symfony\UX\TwigComponent\Tests\Integration
    3x in EmbeddedComponentTest::testBlockDefinitionCanAccessTheContextOfTheDestinationBlocks from Symfony\UX\TwigComponent\Tests\Integration
    2x in EmbeddedComponentTest::testABlockIsNotPassedIntoAnEmbeddedComponent from Symfony\UX\TwigComponent\Tests\Integration
    ...

  11x: Since twig/twig 3.12: The "tag" constructor argument of the "Symfony\UX\TwigComponent\Twig\PropsNode" class is deprecated and ignored (check which TokenParser class set it to "props"), the tag is now automatically set by the Parser when needed.
    10x in ComponentPropsParserTest::testPropsData from Symfony\UX\TwigComponent\Tests\Integration\Twig
    1x in TwigComponentDebugCommandTest::testWithAnonymousComponent from Symfony\UX\TwigComponent\Tests\Integration\Command

Legacy deprecation notices (4)
➜  TwigComponent git:(2.x) 

[kbond]

Thanks Hugo.

[pscheit]

hey @kbond would it be possible to do a patch release with this?

thanks @Kocal for the fix

[smnandre]

I think we will release a 2.20 in a week or two..

Do we need to release a version directly when Twig releases one ?
I mean this is just a deprecation for now, and there is no planning for us to anticipate. But i'm ready to change my mind :)

In the meantime can you use the 2.x-dev ?

[pscheit]

Yeah right, it's just a choice in our CI pipeline to fail with deprecations and I could update to the dev version in the meantime.

Sorry for the stir up :)