Update last remaining instances of old-style array syntax

modules/core/docs/authproc_attributeadd.md

modules/core/docs/authproc_attributealter.md

modules/core/docs/authproc_attributecopy.md

modules/core/docs/authproc_attributelimit.md

modules/core/docs/authproc_attributemap.md

modules/core/docs/authproc_attributevaluemap.md

modules/core/docs/authproc_cardinality.md

modules/core/docs/authproc_cardinalitysingle.md

modules/core/docs/authproc_generategroups.md

modules/core/docs/authproc_languageadaptor.md

modules/core/docs/authproc_php.md

modules/core/docs/authproc_scopeattribute.md

modules/core/docs/authproc_scopefromattribute.md

modules/core/docs/authproc_statisticswithattribute.md

modules/core/docs/authproc_targetedid.md

modules/core/docs/authproc_warnshortssointerval.md

modules/core/lib/Controller/Login.php

modules/exampleauth/lib/Auth/Source/External.php

...es/saml/lib/Auth/Process/ExpectedAuthnContextClassRef.php