Use the space_multiple_catch option of types_spaces

[paulbalandan]

Description

$ vendor/bin/php-cs-fixer describe types_spaces
Description of types_spaces rule.
A single space or none should be around union type and intersection type operators.

Fixer is configurable using following options:
* space ('none', 'single'): spacing to apply around union type and intersection type operators; defaults to 'none'
* space_multiple_catch ('none', 'single', null): spacing to apply around type operator when catching exceptions of multiple types, use `null` to follow the value configured for `space`; defaults to null

Fixing examples:
 * Example #1. Fixing with the default configuration.
   ---------- begin diff ----------
   --- Original
   +++ New
   @@ -1,6 +1,6 @@
    <?php
    try
    {
        new Foo();
   -} catch (ErrorA | ErrorB $e) {
   +} catch (ErrorA|ErrorB $e) {
    echo'error';}

   ----------- end diff -----------

 * Example #2. Fixing with configuration: ['space' => 'single'].
   ---------- begin diff ----------
   --- Original
   +++ New
   @@ -1,6 +1,6 @@
    <?php
    try
    {
        new Foo();
   -} catch (ErrorA|ErrorB $e) {
   +} catch (ErrorA | ErrorB $e) {
    echo'error';}

   ----------- end diff -----------

 * Example #3. Fixing with the default configuration.
   ---------- begin diff ----------
   --- Original
   +++ New
   @@ -1,4 +1,4 @@
    <?php
   -function foo(int | string $x)
   +function foo(int|string $x)
    {
    }

   ----------- end diff -----------

Checklist:

• Securely signed commits
• Component(s) with PHPDoc blocks, only if necessary or adds value
• Unit testing, with >80% coverage
• User guide updated
• Conforms to style guide