build(deps): Add gp-libs

Handles:
- doctests in markdown
- linkifying issues in changelog
- rendering table of contents for sphinx.ext.autodoc directives

And we can remove sphinx-autoapi

Author: tony

poetry.lock

@@ -49,6 +49,7 @@ python = "^3.7"
 ### Docs ###
 sphinx = "*"
 furo = "*"
+gp-libs = "*"
 sphinx-autobuild = "*"
 sphinx-autodoc-typehints = "*"
 sphinx-click = "*"
@@ -95,6 +96,7 @@ docs = [
   "sphinxext-rediraffe",
   "myst_parser",
   "furo",
+  "gp-libs"
 ]
 test = ["pytest", "pytest-rerunfailures", "pytest-mock", "pytest-watcher"]
 coverage = ["codecov", "coverage", "pytest-cov"]