Bump libflate from 0.1.8 to 0.1.27 in /rust/template

Bumps [libflate](https://github.com/sile/libflate) from 0.1.8 to 0.1.27.
- [Release notes](https://github.com/sile/libflate/releases)
- [Commits](sile/libflate@0.1.8...0.1.27)

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

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