Bump actions/checkout from 6 to 7

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
         python-version: ["3.10", "3.11", "3.12"]
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Install uv
         uses: astral-sh/setup-uv@v7
         with:
@@ -60,7 +60,7 @@ jobs:
     # Skip on forks (read-only GITHUB_TOKEN can't post PR comments) and dependabot.
     if: github.event.pull_request && github.actor != 'dependabot[bot]' && github.event.pull_request.head.repo.full_name == github.repository
     steps:
-        - uses: actions/checkout@v6
+        - uses: actions/checkout@v7
         - name: download covearge
           uses: actions/download-artifact@v8
           with:

.github/workflows/devdoc.yml

@@ -13,7 +13,7 @@ jobs:
     name: Deploy dev documentation
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - name: Install uv

.github/workflows/doc.yml

@@ -17,7 +17,7 @@ jobs:
     # Dependabot PRs and forks don't get write access to gh-pages or required secrets.
     if: github.actor != 'dependabot[bot]' && github.event.pull_request.head.repo.full_name == github.repository
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Install uv
         uses: astral-sh/setup-uv@v7
         with:

.github/workflows/isort.yml

@@ -12,7 +12,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: isort/isort-action@v1
         with:
             sortPaths: "src" # only sort files in the src directory

.github/workflows/lint.yml

@@ -12,17 +12,17 @@ jobs:
   ruff:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: chartboost/ruff-action@v1
   black:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: psf/black@stable
   pyright:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Install uv
         uses: astral-sh/setup-uv@v7
         with:

.github/workflows/pub_doc.yml

@@ -13,7 +13,7 @@ jobs:
     name: Deploy release documentation
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - name: Install uv

.github/workflows/release.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
     - name: Install uv
       uses: astral-sh/setup-uv@v7
       with: