[CLEANUP] rector: Long array to short array and Change list() to array destruct (#553)

This applies the rule LongArrayToShortArrayRector.
For details see: https://github.com/rectorphp/rector/blob/main/docs/rector_rules_overview.md#longarraytoshortarrayrector

This applies the rule ListToArrayDestructRector
For details see: https://github.com/rectorphp/rector/blob/main/docs/rector_rules_overview.md#listtoarraydestructrector

Signed-off-by: Daniel Ziegenberg <daniel@ziegenberg.at>

Author: ziegenberg

src/RuleSet/DeclarationBlock.php

@@ -380,7 +380,7 @@ public function expandFontShorthand()
             ) {
                 $aFontProperties['font-weight'] = $mValue;
             } elseif ($mValue instanceof RuleValueList && $mValue->getListSeparator() == '/') {
-                list($oSize, $oHeight) = $mValue->getListComponents();
+                [$oSize, $oHeight] = $mValue->getListComponents();
                 $aFontProperties['font-size'] = $oSize;
                 $aFontProperties['line-height'] = $oHeight;
             } elseif ($mValue instanceof Size && $mValue->getUnit() !== null) {