docs: pull in fixed clang version on RTD

Ensure that on RTD we have a fixed clang version and no clashes between
the python modules and the system libraries.

Signed-off-by: David Rheinsberg <[email protected]>

Author: dvdhrm

src/docs/.readthedocs.yaml

@@ -4,10 +4,13 @@ version: 2
 
 build:
   apt_packages:
-  - "clang"
+  - "libclang-14-dev"
   os: "ubuntu-lts-latest"
   tools:
     python: "3"
+  jobs:
+    post_install:
+      - python -m pip install --upgrade --no-cache-dir clang==14.0.6
 
 formats: "all"
 

src/docs/requirements.txt

@@ -1,4 +1,3 @@
 c-apidocs>=1.0.0
-clang>=6
 hawkmoth>=0.20
 sphinx-rtd-theme>=3.0.0