[chore] Update Go version to 1.25 and align GitHub Actions

[Suhani95]

Description

This PR fixes #489

Changes made :

• Updates the Go version used in this repository from 1.24 to 1.25.

• Updates GitHub Action version tags across the workflows to their latest stable releases.

Notes for Reviewers

Signed commits

• Yes, I signed my commits.

[Suhani95]

@mgfeller Would like a review on the changes made, and open to any suggestions.
Thank you for your time

[mgfeller]

@Suhani95 thanks for your contribution and for reaching out. It looks good, however I'm hesitant to approve the PR as I haven't been actively involved in a while and would have to be reacquainted with the approval and merge process.

[Suhani95]

Totally understand. I'll wait for an active maintainer to take a look.

[Suhani95]

@saurabhraghuvanshii could you please review this PR?
Please let me know if you have any feedback or suggested changes!

[saurabhraghuvanshii]

@Suhani95 golangci-lint faling, I think some migrations not working can you see

[Suhani95]

@saurabhraghuvanshii Fixed linter migration issues by updating the config schema. Please review.

[saurabhraghuvanshii]

same

[saurabhraghuvanshii]

@Suhani95 come minimum changes required, Please address them

[saurabhraghuvanshii]

@Suhani95 some Improtant things are missing from .golangci

1. Missing linters

    - gosimple
    - stylecheck
    - typecheck

2. Missing gosec exclusion under linters.settings

    gosec:
      settings:
        exclude:
          - G204

3. Missing goimports local-prefixes
   Add under formatters:

formatters:
  settings:
    goimports:
      local-prefixes: github.com/golangci/golangci-lint

[Suhani95]

@saurabhraghuvanshii
gosimple and stylecheck are already handled by staticcheck in v2, and typecheck now runs by default, so adding them explicitly causes errors.
I have added gosec G204 exclusion and the goimports local-prefixes now to keep behavior consistent.
Migration guide