Submodule Update: Bump deps/brotli from 8a626fd to fe754f3

Bumps [deps/brotli](https://github.com/google/brotli) from `8a626fd` to `fe754f3`.
- [Release notes](https://github.com/google/brotli/releases)
- [Commits](google/brotli@8a626fd...fe754f3)

---
updated-dependencies:
- dependency-name: deps/brotli
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>