Use latest go 1.26 in release

[divolgin]

Description, Motivation and Context

Please include a summary of the change or what problem it solves. Please also include relevant motivation and context.

Updates release workflow to use latest go 1.26 release

Checklist

• New and existing tests pass locally with introduced changes.
• Tests for the changes have been added (for bug fixes / features)
• The commit message(s) are informative and highlight any breaking changes
• Any documentation required has been added/updated. For changes to https://troubleshoot.sh/ create a PR here

Does this PR introduce a breaking change?

• Yes
• No

[greptile-apps]

_{Reviews (1): Last reviewed commit: "Use latest go 1.26 in release" | Re-trigger Greptile}