minor symfony#60181 [HttpFoundation] [Component]: Fix some typos (timesince)

This PR was submitted for the 7.3 branch but it was merged into the 6.4 branch instead.

Discussion
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[HttpFoundation] [Component]: Fix some typos

| Q             | A
| ------------- | ---
| Branch?       | 6.4
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Issues        | -
| License       | MIT

fix some typos

Commits
-------

e4fb261 chore: fix some typos

Author: nicolas-grekas

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

@@ -78,7 +78,7 @@ public function __toString(): string
         $this->assertSame('foo', $bag->getString('unknown', 'foo'), '->getString() returns the default if a parameter is not defined');
         $this->assertSame('1', $bag->getString('bool_true'), '->getString() returns "1" if a parameter is true');
         $this->assertSame('', $bag->getString('bool_false', 'foo'), '->getString() returns an empty empty string if a parameter is false');
-        $this->assertSame('strval', $bag->getString('stringable'), '->getString() gets a value of a stringable paramater as string');
+        $this->assertSame('strval', $bag->getString('stringable'), '->getString() gets a value of a stringable parameter as string');
     }
 
     public function testGetStringExceptionWithArray()

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

@@ -226,7 +226,7 @@ public function __toString(): string
         $this->assertSame('foo', $bag->getString('unknown', 'foo'), '->getString() returns the default if a parameter is not defined');
         $this->assertSame('1', $bag->getString('bool_true'), '->getString() returns "1" if a parameter is true');
         $this->assertSame('', $bag->getString('bool_false', 'foo'), '->getString() returns an empty empty string if a parameter is false');
-        $this->assertSame('strval', $bag->getString('stringable'), '->getString() gets a value of a stringable paramater as string');
+        $this->assertSame('strval', $bag->getString('stringable'), '->getString() gets a value of a stringable parameter as string');
     }
 
     public function testGetStringExceptionWithArray()