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>