minor #29996 Remove gendered pronouns (Raphaëll Roussel)

This PR was squashed before being merged into the 3.4 branch (closes #29996).

Discussion
----------

Remove gendered pronouns

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets |
| License       | MIT
| Doc PR        |

Commits
-------

bc6e0f8 Remove gendered pronouns

src/Symfony/Component/Form/FormRenderer.php

@@ -161,9 +161,9 @@ public function searchAndRenderBlock(FormView $view, $blockNameSuffix, array $va
         // to implement a custom "choice_widget" block (no matter in which theme),
         // or to fallback to the block of the parent type, which would be
         // "form_widget" in this example (again, no matter in which theme).
-        // If the designer wants to explicitly fallback to "form_widget" in his
-        // custom "choice_widget", for example because he only wants to wrap
-        // a <div> around the original implementation, he can simply call the
+        // If the designer wants to explicitly fallback to "form_widget" in their
+        // custom "choice_widget", for example because they only want to wrap
+        // a <div> around the original implementation, they can simply call the
         // widget() function again to render the block for the parent type.
         //
         // The second kind is implemented in the following blocks.

src/Symfony/Component/Form/Tests/AbstractTableLayoutTest.php

@@ -470,7 +470,7 @@ public function testFormEndWithRest()
         // Insert the start tag, the end tag should be rendered by the helper
         // Unfortunately this is not valid HTML, because the surrounding table
         // tag is missing. If someone renders a form with table layout
-        // manually, she should call form_rest() explicitly within the <table>
+        // manually, they should call form_rest() explicitly within the <table>
         // tag.
         $this->assertMatchesXpath('<form>'.$html,
 '/form

src/Symfony/Component/HttpFoundation/Tests/RequestTest.php

@@ -783,14 +783,14 @@ public function getQueryStringNormalizationData()
 
             // GET parameters, that are submitted from a HTML form, encode spaces as "+" by default (as defined in enctype application/x-www-form-urlencoded).
             // PHP also converts "+" to spaces when filling the global _GET or when using the function parse_str.
-            ['him=John%20Doe&her=Jane+Doe', 'her=Jane%20Doe&him=John%20Doe', 'normalizes spaces in both encodings "%20" and "+"'],
+            ['baz=Foo%20Baz&bar=Foo+Bar', 'bar=Foo%20Bar&baz=Foo%20Baz', 'normalizes spaces in both encodings "%20" and "+"'],
 
             ['foo[]=1&foo[]=2', 'foo%5B%5D=1&foo%5B%5D=2', 'allows array notation'],
             ['foo=1&foo=2', 'foo=1&foo=2', 'allows repeated parameters'],
             ['pa%3Dram=foo%26bar%3Dbaz&test=test', 'pa%3Dram=foo%26bar%3Dbaz&test=test', 'works with encoded delimiters'],
             ['0', '0', 'allows "0"'],
-            ['Jane Doe&John%20Doe', 'Jane%20Doe&John%20Doe', 'normalizes encoding in keys'],
-            ['her=Jane Doe&him=John%20Doe', 'her=Jane%20Doe&him=John%20Doe', 'normalizes encoding in values'],
+            ['Foo Bar&Foo%20Baz', 'Foo%20Bar&Foo%20Baz', 'normalizes encoding in keys'],
+            ['bar=Foo Bar&baz=Foo%20Baz', 'bar=Foo%20Bar&baz=Foo%20Baz', 'normalizes encoding in values'],
             ['foo=bar&&&test&&', 'foo=bar&test', 'removes unneeded delimiters'],
             ['formula=e=m*c^2', 'formula=e%3Dm%2Ac%5E2', 'correctly treats only the first "=" as delimiter and the next as value'],