chore: bump actions/setup-python from 6 to 7 (#6092)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/nightly.yaml

@@ -68,7 +68,7 @@ jobs:
     steps:
       - name: 📂 Checkout code
         uses: actions/checkout@v7
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@v7
         with:
           python-version: "3.11"
       - uses: ./.github/actions/time-compilation

.github/workflows/test-python.yaml

@@ -39,10 +39,10 @@ jobs:
           # `*` covers all targets (we could make this explicit...)
           pattern: prqlc-python-${{ runner.os }}-*-dev
           path: target/python
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@v7
         with:
           python-version: "3.10"
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@v7
         with:
           python-version: "3.12"
       - name: Install uv

.github/workflows/test-rust.yaml

@@ -99,7 +99,7 @@ jobs:
           # on the new macos-15 runner image — see
           # https://github.com/Swatinem/rust-cache/issues/341.
           cache-bin: "false"
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@v7
         # python isn't natively installed on macos-15, so we need to install it
         if: ${{ inputs.os == 'macos-15' }}
         with:

.github/workflows/tests.yaml

@@ -278,7 +278,7 @@ jobs:
   #     - name: 📂 Checkout code
   #       uses: actions/checkout@v7
   #     - run: ./.github/workflows/scripts/set_version.sh
-  #     - uses: actions/setup-python@v6
+  #     - uses: actions/setup-python@v7
   #       with:
   #         python-version: "3.11"
   #     - name: 💰 Cache
@@ -364,7 +364,7 @@ jobs:
         with:
           crate: lychee
 
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@v7
         with:
           python-version: "3.11"
 
@@ -451,7 +451,7 @@ jobs:
       - name: 📂 Checkout code
         uses: actions/checkout@v7
       - run: ./.github/workflows/scripts/set_version.sh
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@v7
         with:
           python-version: "3.11"
       - uses: baptiste0928/cargo-install@v3
@@ -606,7 +606,7 @@ jobs:
       - name: 📂 Checkout code
         uses: actions/checkout@v7
       - run: rustup override set nightly-2025-11-10
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@v7
         with:
           python-version: "3.11"
       - uses: baptiste0928/cargo-install@v3