chore(deps): update actions/setup-python action to v6

Author: renovate[bot]

.github/workflows/build.yml

@@ -13,7 +13,7 @@ jobs:
         steps:
             -   uses: actions/checkout@v4
             -   name: set up Python ${{ matrix.python-version }}
-                uses: actions/setup-python@v5
+                uses: actions/setup-python@v6
                 with:
                     python-version: ${{ matrix.python-version }}
             -   name: install dependencies

.github/workflows/release.yml

@@ -14,7 +14,7 @@ jobs:
         steps:
             -   uses: actions/checkout@v4
             -   name: set up Python ${{ matrix.python-version }}
-                uses: actions/setup-python@v5
+                uses: actions/setup-python@v6
                 with:
                     python-version: ${{ matrix.python-version }}
             -   name: install dependencies