Some people - like me - have a tweaked/opinionated global Git
configuration that forces GPG signatures everywhere, which basically
breaks the tests.

This standardises the expected configuration for tests, preventing
unexpected breakages.

Signed-off-by: Luís Cobucci <lcobucci@gmail.com>

PHPUnit 10.x only accepts static data providers, so...

Signed-off-by: Luís Cobucci <lcobucci@gmail.com>

More info: sebastianbergmann/phpunit#5063

Signed-off-by: Luís Cobucci <lcobucci@gmail.com>

Signed-off-by: Luís Cobucci <lcobucci@gmail.com>

Given the plans for laminas-continuous-integration-action v2 is to always
ship PCOV, we can simply enable it here to allow us to detach the two
processes.

Signed-off-by: Luís Cobucci <lcobucci@gmail.com>

This adds (lazy) filtering capabilities to detected changes.

Signed-off-by: Luís Cobucci <lcobucci@gmail.com>

This integrates the changes filter into the backward compatibility check
command, parsing the configuration file prior to any process to ease the
integration of new properties.

Signed-off-by: Luís Cobucci <lcobucci@gmail.com>

This moves responsibilities around and introduces abstractions to
support different file formats with less effort.

Signed-off-by: Luís Cobucci <lcobucci@gmail.com>

This ships a parser and the expected schema to ease the validation of
XML documents.

Signed-off-by: Luís Cobucci <lcobucci@gmail.com>

Signed-off-by: Luís Cobucci <lcobucci@gmail.com>

Signed-off-by: Luís Cobucci <lcobucci@gmail.com>