chore: Increase timeout for CodeBuild CI

[lucasmcdonald3]

Issue #, if available:

Description of changes:

The CodeBuild CI change I deployed yesterday takes 55-60 minutes and times out at 60 minutes. Bump the timeout slightly to prevent flaky CI.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

Check any applicable:

• [ ] Were any files moved? Moving files changes their URL, which breaks all hyperlinks to the files.