trying to fix python-package-conda.yml

Author: alixdamman

.github/workflows/python-package-conda.yml

@@ -29,7 +29,7 @@ jobs:
         environment-file: environment.yml
         python-version: ${{ matrix.python-version }}
     # versions <= 1.5 of pydantic are not available with Python 3.9
-    - run: conda install pydantic<=1.5
+    - run: conda install "pydantic <= 1.5"
       if: ${{ matrix.python-version != 3.9 }}
     - run: conda info
     - run: conda list