Bump actions/checkout from 6 to 7

Bumps [actions/checkout](https://github.com/actions/checkout) from 6 to 7.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v6...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/ci.yaml

@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Check out code from Github
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
 
     - name: Set up Python ${{ env.DEFAULT_PYTHON }}
       id: python
@@ -102,7 +102,7 @@ jobs:
             plex: unclaimed
     steps:
     - name: Check out code from Github
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
 
     - name: Set up Python ${{ env.DEFAULT_PYTHON }}
       id: python
@@ -257,7 +257,7 @@ jobs:
             plex: unclaimed
     steps:
     - name: Check out code from GitHub
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
 
     - name: Set up Python ${{ env.DEFAULT_PYTHON }}
       id: python

.github/workflows/codeql.yml

@@ -46,7 +46,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/pypi.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout code
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
 
     - name: Set up Python
       uses: actions/setup-python@v6

.github/workflows/refresh_token.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Check out code from Github
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
 
     - name: Set up Python ${{ env.DEFAULT_PYTHON }}
       id: python