build(deps): bump actions/checkout from 6 to 7 in the actions group

.github/workflows/cd-python.yaml

@@ -37,7 +37,7 @@ jobs:
           - runner: ubuntu-latest
             target: ppc64le
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - uses: actions/setup-python@v6
@@ -78,7 +78,7 @@ jobs:
           - runner: ubuntu-latest
             target: armv7
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - uses: actions/setup-python@v6
@@ -115,7 +115,7 @@ jobs:
           - runner: windows-latest
             target: x86
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - uses: actions/setup-python@v6
@@ -152,7 +152,7 @@ jobs:
           - runner: macos-14
             target: aarch64
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - uses: actions/setup-python@v6
@@ -181,7 +181,7 @@ jobs:
     outputs:
       version: ${{ steps.determine-version.outputs.version }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - uses: actions/setup-python@v6

.github/workflows/cd-r.yaml

@@ -20,7 +20,7 @@ jobs:
   build-windows:
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - name: Set up Python
@@ -73,7 +73,7 @@ jobs:
           - runner: macos-15-intel
             target: x86_64
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - name: Set up Python
@@ -116,7 +116,7 @@ jobs:
   build-linux:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - name: Set up Python

.github/workflows/ci-R.yml

@@ -19,7 +19,7 @@ jobs:
     name: R project
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: prefix-dev/setup-pixi@v0.9.6
         with:
           environments: ${{ env.R_ENV }}

.github/workflows/ci-python.yml

@@ -22,7 +22,7 @@ jobs:
       matrix:
         python-environment: ['py310', 'py311', 'py312', 'py313']
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: prefix-dev/setup-pixi@v0.9.6
         with:
           environments: ${{ matrix.python-environment }}
@@ -31,7 +31,7 @@ jobs:
     name: Python benchmarks
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: prefix-dev/setup-pixi@v0.9.6
         with:
           environments: py-phylo2vec
@@ -40,7 +40,7 @@ jobs:
     name: Test main demo notebook
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: prefix-dev/setup-pixi@v0.9.6
         with:
           environments: py-phylo2vec

.github/workflows/ci-rust.yaml

@@ -23,7 +23,7 @@ jobs:
           # - beta
           # - nightly
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Setup Rust
         run: rustup update ${{ matrix.toolchain }} && rustup default ${{ matrix.toolchain }}
       - name: Install rustfmt

.github/workflows/draft-pdf.yml

@@ -11,7 +11,7 @@ jobs:
     name: Paper Draft
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Build draft PDF
         uses: openjournals/openjournals-draft-action@master
         with: