chore(deps): update actions/setup-python action to v4 (#54)

Co-authored-by: Matt Kramer <[email protected]>

Author: anaconda-renovate-bot

.github/workflows/publish.yaml

@@ -13,7 +13,7 @@ jobs:
         -   name: Check out repository
             uses: actions/checkout@v2
         -   name: Set up python 3.9
-            uses: actions/setup-python@v2
+            uses: actions/setup-python@d27e3f3d7c64b4bbf8e4abfb9b63b83e846e0435 # v4
             with:
                 python-version: 3.9
         -   name: Install Poetry

.github/workflows/test.yml

@@ -23,7 +23,7 @@ jobs:
         -   name: Check out repository
             uses: actions/checkout@v3
         -   name: Set up python ${{ matrix.python-version }}
-            uses: actions/setup-python@v2
+            uses: actions/setup-python@d27e3f3d7c64b4bbf8e4abfb9b63b83e846e0435 # v4
             with:
                 python-version: ${{ matrix.python-version }}
         -   name: Install dependencies