bump headless display action 2->3

.github/workflows/test_and_deploy.yml

@@ -63,11 +63,24 @@ jobs:
       - name: Cache pooch data
         uses: actions/cache@v4
         with:
+<<<<<<< HEAD
           path: "~/.pooch_cache"
           # hash on conftest in case url changes
           key: ${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('**/pooch_registry.txt') }}
       # Cache the tensorflow model so we don't have to remake it every time
       - name: Cache brainglobe directory
+=======
+          python-version: ${{ matrix.python-version }}
+
+      # these libraries enable testing on Qt on linux
+      - uses: pyvista/setup-headless-display-action@v3
+        with:
+          qt: true
+
+      # cache atlases needed by the tests
+      - name: Cache Atlases
+        id: atlas-cache
+>>>>>>> 21f3c8b (bump headless display action 2->3)
         uses: actions/cache@v3
         with:
           path: | # ensure we don't cache any interrupted atlas download and extraction, if e.g. we cancel the workflow manually