Charm-tools

Release on 2.8.x branch to pin macaroonbakery as newer releases don't work on older python version.

f34d39d [2024-01-05] setup: pin macaroonbakery<1.3.3 for python3.6 [Trent Lloyd]
a9c587d [2023-10-31] Use bhttp from latest/edge [Felipe Reyes]

* PR: 669 Pin ruamel.yaml < 0.18 due to 668

* 325b4d5 [2023-08-22] Fix issues with tox targets lint & docs (665) [GitHub]
* c213bda [2023-08-08] setup: Update charm-tools pin set [Felipe Reyes]

(backport) pin pip<23.1 and setuptools<67 654