Bump third_party/pigweed/repo from d8e4b80 to 45b1073 (#27310)

Bumps [third_party/pigweed/repo](https://github.com/google/pigweed) from `d8e4b80` to `45b1073`.
- [Commits](google/pigweed@d8e4b80...45b1073)

---
updated-dependencies:
- dependency-name: third_party/pigweed/repo
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>