Update actions/checkout action to v5

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/main.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     container: fedorapython/fedora-python-tox:latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Install dependencies
         run: |
@@ -30,7 +30,7 @@ jobs:
     runs-on: ubuntu-latest
     container: fedorapython/fedora-python-tox:latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Install dependencies
         run: dnf install -y krb5-devel libgit2-devel
@@ -50,7 +50,7 @@ jobs:
     runs-on: ubuntu-latest
     container: quay.io/${{ matrix.distro }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: prepare centos 8
         if: ${{ endsWith(matrix.distro, 'centos:stream8') }}
@@ -105,7 +105,7 @@ jobs:
 
     steps:
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up Python
         uses: actions/setup-python@v6
         with: