chore(deps): Bump actions/checkout from 4 to 7

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 7.
- [Release notes](https://github.com/actions/checkout/releases)
- [Commits](actions/checkout@v4...v7)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/lint.yml

@@ -9,7 +9,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: astral-sh/setup-uv@v7
       - uses: actions/setup-python@v6
         with:

.github/workflows/markdownlint.yml

@@ -9,7 +9,7 @@ jobs:
   markdownlint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: DavidAnson/markdownlint-cli2-action@v24
         with:
           globs: "**/*.md"

.github/workflows/mega-linter.yml

@@ -7,7 +7,7 @@ jobs:
   megalinter:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - uses: oxsecurity/megalinter/flavors/python@v9

.github/workflows/osv-scanner.yml

@@ -10,7 +10,7 @@ jobs:
   scan:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: google/osv-scanner/actions/scanner@v2
         with:
           scan-args: |-

.github/workflows/pr-review.yml

@@ -10,7 +10,7 @@ jobs:
   validate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: astral-sh/setup-uv@v7
       - uses: actions/setup-python@v6
         with:

.github/workflows/publish.yml

@@ -19,7 +19,7 @@ jobs:
       contents: write
       id-token: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: astral-sh/setup-uv@v7
       - uses: actions/setup-python@v6
         with:

.github/workflows/shellcheck.yml

@@ -9,7 +9,7 @@ jobs:
   shellcheck:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - run: |
           if compgen -G "**/*.sh" > /dev/null; then
             sudo apt-get update && sudo apt-get install -y shellcheck

.github/workflows/test.yml

@@ -9,9 +9,9 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - name: Checkout cpa-templates
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
         with:
           repository: Create-Python-App/cpa-templates
           path: cpa-templates

.github/workflows/todo.yml

@@ -12,7 +12,7 @@ jobs:
   todo:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - name: Scan TODOs
         run: |
           if grep -RIn --exclude-dir=.git --exclude-dir=.venv "TODO\|FIXME" . | head -50; then

.github/workflows/type-check.yml

@@ -9,7 +9,7 @@ jobs:
   typecheck:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: astral-sh/setup-uv@v7
       - uses: actions/setup-python@v6
         with: