Bump versions of actions to address warnings.

Change-Id: I7fe26ae9626e319f627f813333feb56014cf3a95
Reviewed-on: https://code-review.googlesource.com/c/re2/+/60570
Reviewed-by: Randall Bosetti <rlb@google.com>
Reviewed-by: Paul Wankadia <junyer@google.com>
4 files changed