Bump undici from 5.25.2 to 5.26.3 (ddev#123)

Bumps [undici](https://github.com/nodejs/undici) from 5.25.2 to 5.26.3.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](nodejs/undici@v5.25.2...v5.26.3)

---
updated-dependencies:
- dependency-name: undici
  dependency-type: indirect
...

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