Multi-build CI runners

What's Changed

• Bump phpunit/phpunit from 8.2.5 to 8.3.5 by @dependabot-preview in #44
• Bump phpunit/phpunit from 8.3.5 to 8.4.2 by @dependabot-preview in #47
• Update readme badges by @g105b in #48
• Bump phpunit/phpunit from 8.4.2 to 8.4.3 by @dependabot-preview in #49
• Bump phpunit/phpunit from 8.4.3 to 8.5.3 by @dependabot-preview in #53
• Improve CI by @g105b in #63
• Bump phpstan/phpstan from 0.12.64 to 0.12.71 by @dependabot-preview in #71
• Bump phpunit/phpunit from 9.5.0 to 9.5.1 by @dependabot-preview in #67
• Bump phpunit/phpunit from 9.5.1 to 9.5.2 by @dependabot-preview in #72
• Bump phpstan/phpstan from 0.12.71 to 0.12.73 by @dependabot-preview in #73
• Bump phpstan/phpstan from 0.12.73 to 0.12.74 by @dependabot-preview in #74
• Bump phpstan/phpstan from 0.12.74 to 0.12.75 by @dependabot-preview in #75
• Bump phpstan/phpstan from 0.12.75 to 0.12.76 by @dependabot-preview in #76
• Bump phpstan/phpstan from 0.12.76 to 0.12.77 by @dependabot-preview in #77
• Bump phpstan/phpstan from 0.12.77 to 0.12.78 by @dependabot-preview in #78
• Bump phpstan/phpstan from 0.12.78 to 0.12.79 by @dependabot-preview in #79
• Bump phpstan/phpstan from 0.12.79 to 0.12.80 by @dependabot-preview in #80
• Bump phpstan/phpstan from 0.12.80 to 0.12.81 by @dependabot-preview in #81
• Bump phpstan/phpstan from 0.12.81 to 0.12.82 by @dependabot-preview in #83
• Bump phpunit/phpunit from 9.5.2 to 9.5.3 by @dependabot-preview in #82
• Bump phpunit/phpunit from 9.5.3 to 9.5.4 by @dependabot-preview in #84
• Bump phpstan/phpstan from 0.12.82 to 0.12.83 by @dependabot-preview in #85
• Bump phpstan/phpstan from 0.12.83 to 0.12.84 by @dependabot-preview in #86
• Upgrade to GitHub-native Dependabot by @dependabot-preview in #88
• Bump phpunit/phpunit from 9.5.4 to 9.5.5 by @dependabot in #92
• Update composer.json by @g105b in #94
• Bump phpstan/phpstan from 0.12.84 to 0.12.89 by @dependabot in #93
• build: hard dependencies by @g105b in #170
• Dependabot by @g105b in #179
• ci by @g105b in #207

New Contributors

• @g105b made their first contribution in #48
• @dependabot made their first contribution in #92

Full Changelog: v1.0.2...v1.0.3