Bump actions/setup-python from 5 to 6 (#6)

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
           path: "ngine_io.vultr_cloud"
 
       - name: Set up Python 3.
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.x"
 

.github/workflows/release.yml

@@ -19,7 +19,7 @@ jobs:
           path: "ngine_io.vultr_cloud"
 
       - name: Set up Python 3.
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.x"