Bump veewee/xml requirement, extend build matrix

[lstrojny]

Fixes #30

[lstrojny]

@veewee changed the build matrix to have a better job description

What do you want to do about the errors?

This is from webmozart/assert, a transitive dependency from veewee/xml.

+'Deprecated: Use of "static" in callables is deprecated in /home/runner/work/wsdl-reader/wsdl-reader/vendor/webmozart/assert/src/Assert.php on line 1973\n

1. Increase version in veewee/xml
2. Require newer version in php-soap/wsdl-reader
3. Ignore deprecation warnings in tests

This comes from phpunit/phpunit not being at least version 10 (transitive through php-soap/engine-integration-tests).

Warning - The configuration file did not pass validation!
  The following problems have been detected:

  Line 2:
  - Element 'phpunit', attribute 'cacheDirectory': The attribute 'cacheDirectory' is not allowed.
  - Element 'phpunit', attribute 'requireCoverageMetadata': The attribute 'requireCoverageMetadata' is not allowed.
  - Element 'phpunit', attribute 'beStrictAboutCoverageMetadata': The attribute 'beStrictAboutCoverageMetadata' is not allowed.

  - Element 'source': This element is not expected.

Options:

1. Bump to 10 in php-soap/engine-integration-tests
2. Bump to 10 here

[lstrojny]

(Fixed the boolean evaluation issue)

[veewee]

@lstrojny

Bumping to phpunit 10 would be some work in verious repos I suppose. It's on my radar, but I'm trying to get some other things (soap encoding) ready first.

Maybe better to provide alternative ranges for both phpunit and assert inside this package's composer.json for now?

[lstrojny]

@veewee bumped the relevant dependencies

[lstrojny]

Needed to bump phpunit to 10.1, not 10.0. Let's see …

[veewee]

Looks good, thanks for the effort (again) !