Reapply "openobserve: 0.7.2 -> 0.8.1"

[infinisil]

Description of changes

This reapplies #289522, which originally broke the pkgs/by-name check on master,
so it was reverted in #289655.

This reapplies the original commits and makes sure that the pkgs/by-name check works by moving it out of pkgs/by-name.

pkgs/by-name is limited to pkgs.callPackage. See here for the detailed list of checks. It using pkgs.callPackage is a hard requirement, though it can easily be confusing with the "soft" ratchet checks, which wouldn't break master.

I fully admit that the errors for pkgs/by-name should be better to avoid such situations. I'll improve the error reporting for the pkgs/by-name check next week to improve this, see NixOS/nixpkgs-vet#6 for updates. It's really not great that this has delayed a security fix.

Ping @risicle @happysalada @adisbladis @mweinelt

Things done

• Checked that the package instantiates.

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[happysalada]

I was testing a mostly similar one here #289526
it doesn't use darwin.callPackage and uses the normal callPackage
I'm testing right now that this works on x86_64-darwin.
It also doesn't apply the patch as I couldn't figure out what the patch was for actually.
I'm indifferent to which one gets merged.

[infinisil]

@happysalada Oh yeah that one would be more ideal! It shouldn't require explicit testing, as long as the derivation hashes match

[happysalada]

alight, I'll wait for ofborg to be happy and for my local build to finish before merging.

[wegank]

Does this work?

Suggested change

	openobserve = darwin.apple_sdk_11_0.callPackage ../servers/monitoring/openobserve {
	apple_sdk = darwin.apple_sdk_11_0;
	};
	openobserve = callPackage ../servers/monitoring/openobserve {
	stdenv = if stdenv.isDarwin then overrideSDK stdenv "11.0" else stdenv;
	};

[infinisil]

Not entirely. It looks like there's also a separate rustPlatform attribute provided by the darwin.apple_sdk_11_0.callPackage.

[infinisil]

@happysalada @wegank I'll just merge this one for now, since the original PR was already tested and merged. Any refactorings can be done with a separate PR.