Update to `bazelbuild/setup-bazelisk@v3`.

Change-Id: I3dd32091e4afd078f2182257e75876cc5ab3ffa1
Reviewed-on: https://code-review.googlesource.com/c/re2/+/62630
Reviewed-by: Paul Wankadia <junyer@google.com>
Reviewed-by: Alex Chernyakhovsky <achernya@google.com>
3 files changed