Update pixi version

Author: ratheron

.github/workflows/docs.yml

@@ -26,7 +26,7 @@ jobs:
     - name: Setup pixi
       uses: prefix-dev/setup-pixi@v0.8.1
       with:
-        pixi-version: v0.49.0
+        pixi-version: v0.66.0
         cache: true
         # only write new caches on main pushes (optional)
         cache-write: ${{ github.event_name == 'push' && github.ref_name == 'main' }}

.github/workflows/testing.yml

@@ -10,7 +10,7 @@ jobs:
       - name: Setup Pixi (installs pixi + caches envs) # https://github.com/marketplace/actions/setup-pixi
         uses: prefix-dev/setup-pixi@v0.9.3            # pin the action version
         with:
-          pixi-version: v0.61.0                       # pin the pixi binary version (optional)
+          pixi-version: v0.66.0                       # pin the pixi binary version (optional)
           cache: true                                 # enable caching of installed envs
           # only write new caches on main pushes (optional)
           cache-write: ${{ github.event_name == 'push' && github.ref_name == 'main' }}