Bump minimum Go version to 1.24.0

[axw]

Description

Go 1.25.0 is released, time to bump the minimum supported version.

See also open-telemetry/opentelemetry-collector#13627

Link to tracking issue

Fixes #38970

Testing

N/A

Documentation

Updated

[axw]

Requires #41966

[Copilot]

Pull Request Overview

This PR bumps the minimum supported Go version from 1.23.0 to 1.24.0 across the OpenTelemetry Collector Contrib repository, aligning with the upstream collector's Go version update policy as Go 1.25.0 has been released.

Key changes:

• Update go directive in all go.mod files from 1.23.0 to 1.24
• Replace context.Background() calls in test files with t.Context() to utilize testing context
• Remove unnecessary context package imports where they're no longer needed after context replacement

Reviewed Changes

Copilot reviewed 300 out of 1244 changed files in this pull request and generated 9 comments.

File	Description
*/go.mod	Updated Go version directive from 1.23.0 to 1.24
*_test.go	Replaced context.Background() with t.Context() and removed unused context imports

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[axw]

The govulncheck errors are also on main, I don't think we should try to fix them in this PR - it's already a bit extreme as it is.