chore(deps): bump phir from 0.1.6 to 0.2.0

Bumps [phir](https://github.com/CQCL/phir) from 0.1.6 to 0.2.0.
- [Release notes](https://github.com/CQCL/phir/releases)
- [Changelog](https://github.com/CQCL/phir/blob/main/CHANGELOG.md)
- [Commits](CQCL/phir@v0.1.6...v0.2.0)

---
updated-dependencies:
- dependency-name: phir
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -1,7 +1,7 @@
 build==1.0.3
 mypy==1.7.1
 networkx==2.8.8
-phir==0.1.6
+phir==0.2.0
 pre-commit==3.6.0
 pydata_sphinx_theme==0.14.4
 pytest==7.4.3