Bump 3rdparty/pfs from f2800b1 to e886588

Bumps [3rdparty/pfs](https://github.com/dtrugman/pfs) from `f2800b1` to `e886588`.
- [Release notes](https://github.com/dtrugman/pfs/releases)
- [Commits](dtrugman/pfs@f2800b1...e886588)

---
updated-dependencies:
- dependency-name: 3rdparty/pfs
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>