ci: update setup-python action

Author: MatthieuDartiailh

.github/workflows/ci.yml

@@ -69,7 +69,7 @@ jobs:
           git fetch --prune --unshallow
           git fetch --depth=1 origin +refs/tags/*:refs/tags/*
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
           cache: 'pip'

.github/workflows/docs.yml

@@ -27,7 +27,7 @@ jobs:
           git fetch --prune --unshallow
           git fetch --depth=1 origin +refs/tags/*:refs/tags/*
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.11'
           cache: 'pip'

.github/workflows/release.yml

@@ -19,7 +19,7 @@ jobs:
           git fetch --prune --unshallow
           git fetch --depth=1 origin +refs/tags/*:refs/tags/*
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.x'
       - name: Build sdist
@@ -54,7 +54,7 @@ jobs:
           git fetch --prune --unshallow
           git fetch --depth=1 origin +refs/tags/*:refs/tags/*
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.11'
       - name: Install cibuildwheel