[RELEASE] Remove breaking CS-Fixer rules

What's Changed

• [TASK] Expose default cs-fixer configuration by @gilbertsoft in #47
• [TASK] Remove binary from coverage by @gilbertsoft in #48
• [BUGFIX] Remove modernize_strpos by @gilbertsoft in #49
• [TASK] Reduce PHPStan tests by @gilbertsoft in #50
• [TASK] Enable treatPhpDocTypesAsCertain by @gilbertsoft in #51

Full Changelog: v0.5.4...v0.5.5