Fix exit on error during migrations, CI updates, and improve notices and messages

[jaydrogers]

What this PR does

This PR does the following:

⚠️ Deprecation warning

• We removed linux/arm/v7 because it's old and it was adding to our build times. These are 32-bit Arm processors. We still support 64-bit ARM (like M-series macs) with linux/arm64/v8

🐛 Bug Fixes

• Laravel Auto Migration will fail on first deployment #489

🤩 Improvements

• Improved notices when running a custom command with S6 Overlay
• Added PHP version and Docker image tag version to container info at start up

🤓 Development improvements

• Added platform support to local build script
• We added a new method to improve PR experiences so we can streamline contributions
• Moved from Runs-on back to hosted GHA runners for cost reasons

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