Install python 3 in CentOS CI container

Author: code-asher

.github/workflows/ci.yaml

@@ -350,6 +350,11 @@ jobs:
         with:
           node-version: "16"
 
+      - name: Install Python 3
+        uses: actions/setup-python@v3
+        with:
+          python-version: "3.x"
+
       - name: Install nfpm
         run: |
           curl -sfL https://install.goreleaser.com/github.com/goreleaser/nfpm.sh | sh -s -- -b ~/.local/bin v2.3.1