Reverting dev dependency to correct section

[solcik]

Introduced in: https://github.com/tuupola/http-factory/commit/e6b5ee2a683577d9b3f2c9c821e6fece2e8df191

PHPUnit and a lot of other dev dependencies bubble into dependencies because of this.

When I revert to previous version:

• Removing webmozart/assert (1.3.0)
• Removing theseer/tokenizer (1.1.0)
• Removing sebastian/version (2.0.1)
• Removing sebastian/resource-operations (1.0.0)
• Removing sebastian/recursion-context (3.0.0)
• Removing sebastian/object-reflector (1.1.1)
• Removing sebastian/object-enumerator (3.0.3)
• Removing sebastian/global-state (2.0.0)
• Removing sebastian/exporter (3.1.0)
• Removing sebastian/environment (3.1.0)
• Removing sebastian/diff (3.0.1)
• Removing sebastian/comparator (3.0.2)
• Removing sebastian/code-unit-reverse-lookup (1.0.1)
• Removing psr/http-factory (1.0.0)
• Removing phpunit/phpunit (7.3.1)
• Removing phpunit/php-token-stream (3.0.0)
• Removing phpunit/php-timer (2.0.0)
• Removing phpunit/php-text-template (1.2.1)
• Removing phpunit/php-file-iterator (2.0.1)
• Removing phpunit/php-code-coverage (6.0.7)
• Removing phpspec/prophecy (1.8.0)
• Removing phpdocumentor/type-resolver (0.4.0)
• Removing phpdocumentor/reflection-docblock (4.3.0)
• Removing phpdocumentor/reflection-common (1.0.1)
• Removing phar-io/version (2.0.1)
• Removing phar-io/manifest (1.0.3)
• Removing myclabs/deep-copy (1.8.1)
• Removing http-interop/http-factory-tests (0.5.0)
• Downgrading tuupola/callable-handler (0.4.0 => 0.3.0): Downloading (100%)
• Installing http-interop/http-factory (0.3.0): Downloading (100%)
• Downgrading tuupola/http-factory (0.4.0 => 0.3.0): Downloading (100%)
• Downgrading tuupola/slim-jwt-auth (3.1.0 => 3.0.0): Downloading (100%)

[tuupola]

Gawd what a mistake... Good catch. Thanks!

[tuupola]

Released as 0.4.1.