update to Go 1.25, drop Go 1.23

[marten-seemann]

No description provided.

[Copilot]

Pull Request Overview

This PR updates the Go version requirement to 1.24/1.25 and drops support for Go 1.23 across the project configuration and CI workflows.

• Updated Go module files to require Go 1.24 instead of 1.23
• Updated CI workflows to test against Go 1.24.x and 1.25.x instead of 1.23.x and 1.24.x
• Updated linting workflow to use Go 1.25.x

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
go.work	Updates workspace Go version from 1.23.0 to 1.24.0
go.mod	Updates module Go version requirement from 1.23 to 1.24
.github/workflows/unit.yml	Updates test matrix from Go 1.23.x/1.24.x to 1.24.x/1.25.x
.github/workflows/lint.yml	Updates linting Go version from 1.24.x to 1.25.x
.github/workflows/integration.yml	Updates integration test matrix from Go 1.23.x/1.24.x to 1.24.x/1.25.x

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.98%. Comparing base (23eb188) to head (c7020ad).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master      #50   +/-   ##
=======================================
  Coverage   87.98%   87.98%           
=======================================
  Files           8        8           
  Lines         674      674           
=======================================
  Hits          593      593           
  Misses         62       62           
  Partials       19       19           

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