chore(deps): update googleapis digest to 15fa97d (grpc-ecosystem#6112)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

WORKSPACE

@@ -42,10 +42,10 @@ http_archive(
 
 http_archive(
  name = "googleapis",
- sha256 = "d24d28f6378eb98bbd6da361f3c2551105eadde3c205f9baee3082addb6ffe5a",
- strip_prefix = "googleapis-7c0dcbba70fc5dd64655a77e74dbbf8aaf04c1bf",
+ sha256 = "fa2995f14c44d012300ebd9ef44eb25f107bcb803bdc483ac50b2fb6d80faaea",
+ strip_prefix = "googleapis-15fa97d38ad2a38319426328c795ef76a03448bd",
  urls = [
- "https://github.com/googleapis/googleapis/archive/7c0dcbba70fc5dd64655a77e74dbbf8aaf04c1bf.zip",
+ "https://github.com/googleapis/googleapis/archive/15fa97d38ad2a38319426328c795ef76a03448bd.zip",
  ],
 )