fix: readthedocs git fetch unshallow

readthedocs.yml

@@ -4,7 +4,15 @@ build:
   os: ubuntu-22.04
   tools:
     python: "3.10"
-
+  jobs:
+    post_checkout:
+      - git fetch --unshallow
+      - git config remote.origin.fetch "+refs/heads/*:refs/remotes/origin/*"
+      - git fetch origin
+    pre_install:
+      - pip install -U pip
+      - pip install setuptools>=45 setuptools_scm[toml]>=6.2
+      - SETUPTOOLS_SCM_DEBUG=1 python -m setuptools_scm
 # Build from the docs/ directory with Sphinx
 sphinx:
   configuration: docs/conf.py
@@ -14,4 +22,7 @@ sphinx:
 # Explicitly set the version of Python and its requirements
 python:
   install:
+    - method: pip
+      path: .
     - requirements: requirements-docs.txt
+  system_packages: false