[de] Update HTTP.php

[sba]

Regarding: https://github.com/codeigniter4/CodeIgniter4/pull/7370

[paulbalandan]

@sba There are new errors:

There were 2 failures:

1) Translations\Tests\GermanTranslationTest::testAllConfiguredLanguageKeysAreIncluded with data set "de" ('de')
Failed asserting that the language keys "CLI.generator.className.cell", "CLI.generator.fileExist", "CLI.generator.viewName.cell", "Core.invalidDirectory" in the main repository are included for translation in "de" locale.
Failed asserting that an array is empty.

/home/runner/work/translations/translations/tests/Language/AbstractTranslationTestCase.php:168
phpvfscomposer:///home/runner/work/translations/translations/vendor/phpunit/phpunit/phpunit:106

2) Translations\Tests\GermanTranslationTest::testAllIncludedLanguageKeysAreConfigured with data set "de" ('de')
Failed asserting that the translated language key "CLI.generator.fileExists" in "de" locale is configured in the main repository.
Failed asserting that an array is empty.

[sba]

I have updated the failing language file: https://github.com/codeigniter4/translations/pull/393

[MGatner]

Errors are unrelated to the change, which we want. @paulbalandan has the last call

[paulbalandan]

Thanks, @sba