fixup! [pytest.yml] use docker

Author: diivm

.github/workflows/pytest.yml

@@ -24,7 +24,7 @@ jobs:
         run: python -c "import sys; print(sys.version)"
 
       - name: Build docker
-        run: docker build --pull --rm -f "Dockerfile" -t clangbind:latest "."
+        run: docker build --pull --rm -f "Dockerfile" -t pointcloudlibrary/clang-bind:latest "."
 
       # Test with pytest
       - name: Test with pytest