chore(deps): update actions/setup-python action to v5 (#789)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
diff --git a/.github/workflows/pxc.yml b/.github/workflows/pxc.yml
index d385ca7..ecdee42 100644
--- a/.github/workflows/pxc.yml
+++ b/.github/workflows/pxc.yml
@@ -31,7 +31,7 @@
         run: pipx install poetry
 
       - name: Setup Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@0a5c61591373683505ea898e09a3ea4f39ef2b9c # v5
         with:
           cache: poetry