remove all extraneous version constraints

[rittneje]

Fixes #939.

As per the README, Go 1.18+ is already required. Thus version constraints for 1.9 and 1.10 are unnecessary. (And these currently cause issues with 1.23rc2 due to golang/go#68658.)

[CLAassistant]

All committers have signed the CLA.

[iamemilio]

Hey @rittneje, can you rebase on develop. This commit is pulling in a lot of excess.

[iamemilio]

#941

[rittneje]

@iamemilio done

[iamemilio]

It looks like there is a stray commit still attached. Is it ok if we use this pull request containing your commit: #941? You are still credited on the commit, it just also lets me run it along side changes I just made to the test suite so that we can verify that go1.23rc runs as expected

[iamemilio]

Oh, I am just noticing now that the protobuff changes went into master instead of develop, and that is whats causing this

[iamemilio]

I can merge this here then, and I will rebase my commit on top.

[iamemilio]

Thanks @rittneje

[gunturaf]

Hi @iamemilio sorry for tagging you,
I think the commit 0fb9108 broke the deps.

This is an excerpt of what I got:

../file.go:6:2: github.com/newrelic/go-agent/v3@v3.34.0 requires
	google.golang.org/protobuf@v1.5.3: reading google.golang.org/protobuf/go.mod at revision v1.5.3: unknown revision v1.5.3

This page https://pkg.go.dev/google.golang.org/protobuf?tab=versions shows that v1.5.3 is nonexistent.
We may replace it with v1.34.1 (it seems we can't replace with the latest tag because it requires us to bump minimum go version to 1.20)

[gunturaf]

I've made a PR that might resolve that, please help review it #948 :)