Bump go

[praveenrewar]

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #

Does this PR introduce a user-facing change?

Additional Notes for your reviewer:

Review Checklist:

• Follows the developer guidelines
• Relevant tests are added or updated
• Relevant docs in this repo added or updated
• Relevant carvel.dev docs added or updated in a separate PR and there's
  a link to that PR
• Code is at least as readable and maintainable as it was before this
  change

Additional documentation e.g., Proposal, usage docs, etc.:

[joaopapereira]

Is this also in develop? Not sure why we created this branch given there are not change in develop that cannot be used in 0.65.x

[praveenrewar]

Is this also in develop? Not sure why we created this branch given there are not change in develop that cannot be used in 0.65.x

Yeah, I am not sure why there was a branch, the last release was made from this branch so didn't want to diverge now.
For develop I am planning to bump to go 1.26.3 itself.