Add release_tag script for fiddler image

See also http://go/louhicl/160380

Change-Id: I199015c5d3c63b5a92d69b08f06931b320e06e48
Bug: b/361559681
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/896579
Reviewed-by: Eric Boren <borenet@google.com>
1 file changed