minor #334 Use cache.adapter.apcu instead of deprecated validator and serializer (bocharsky-bw)
minor #334 Use cache.adapter.apcu instead of deprecated validator and serializer (bocharsky-bw)

This PR was merged into the master branch.

Discussion
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Use cache.adapter.apcu instead of deprecated validator and serializer

According to the https://github.com/symfony/symfony-standard/pull/965

Commits
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10146d8 Use cache.adapter.apcu instead of deprecated validator and serializer

symfony/symfony-demo,mrook/symfony-behat-codeception-demo,GregSatre/symfony-demo,maidmaid/symfony-demo,yceruto/symfony-demo,javiereguiluz/symfony-demo,GregSatre/symfony-demo,TomasVotruba/symfony-demo,nilamkhedkar1/symfony_demo,vakstk50/jenkinstest,nilamkhedkar1/symfony_demo,vakstk50/jenkinstest,javiereguiluz/symfony-demo,jzawadzki/symfony-demo,nilamkhedkar1/symfony_demo,Codeception/symfony-demo,rasanga/symfony-demo,dzuelke/symfony-demo,voronkovich/symfony-demo,jzawadzki/symfony-demo,vakstk50/jenkinstest,maidmaid/symfony-demo,GregSatre/symfony-demo,healthefrog/symfony-demo,samitiana/symfony-demo,bocharsky-bw/symfony-demo,healthefrog/symfony-demo,yodur2potassium/test-behat-selenium-symfo,rasanga/symfony-demo,voronkovich/symfony-demo,samitiana/symfony-demo,symfony/symfony-demo,mrook/symfony-behat-codeception-demo,maidmaid/symfony-demo,GregSatre/symfony-demo,dzuelke/symfony-demo,voronkovich/symfony-demo,Codeception/symfony-demo,bocharsky-bw/symfony-demo,mrook/symfony-behat-codeception-demo,samitiana/symfony-demo,javiereguiluz/symfony-demo,rasanga/symfony-demo,healthefrog/symfony-demo,dzuelke/symfony-demo,Codeception/symfony-demo,jzawadzki/symfony-demo,yceruto/symfony-demo,yodur2potassium/test-behat-selenium-symfo,yodur2potassium/test-behat-selenium-symfo,TomasVotruba/symfony-demo,TomasVotruba/symfony-demo,symfony/symfony-demo,bocharsky-bw/symfony-demo,yceruto/symfony-demo