Update workflows

.github/workflows/unittests.yml

@@ -11,10 +11,11 @@ permissions:
 
 jobs:
   tests:
-    runs-on: ubuntu-latest
     strategy:
       matrix:
+        os: [ubuntu-latest, windows-latest]
         python-version: [3.8, 3.9, "3.10", 3.11]
+    runs-on: ${{ matrix.os }}
 
     steps:
     - uses: actions/checkout@v3

.github/workflows/website.yml

@@ -1,4 +1,4 @@
-name: website
+name: Deploy website
 
 # build the documentation whenever there are new commits on main
 on: