chore: Update .bazelversion 6.5.0

[ipv1337]

PR Instructions/requirements

• Title uses type: description format. See CONTRIBUTING.md for types.
• Common types are: build, docs, feat, fix, refactor, revert, test
• Breaking changes include "!" after the type and a "BREAKING CHANGES:"
  section at the bottom.
• Body text describes:
  • Why this change is being made, briefly.
  • Before and after behavior, as applicable
  • References issue number, as applicable
• Update docs and tests, as applicable
• Delete these instructions prior to sending the PR