update rtd config

.readthedocs.yml

@@ -5,15 +5,24 @@
 # Required
 version: 2
 
+# Set the version of Python and other tools you might need
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.10"
+  jobs:
+    pre_build:
+      - export HDF5PLUGIN_STRIP=all
+
 # Build documentation in the docs/ directory with Sphinx
 sphinx:
+   builder: html
    configuration: doc/conf.py
 
 # Optionally set the version of Python and requirements required to build your docs
 python:
-   version: 3.8
    install:
      - requirements: requirements.txt
-     - method: setuptools
+     - method: pip
        path:  .
    system_packages: true