Update https://git.quad4.io/actions/checkout action to v6

.gitea/workflows/docker.yml

@@ -23,7 +23,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: https://git.quad4.io/actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: https://git.quad4.io/actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
 
       - name: Set up QEMU
         uses: https://git.quad4.io/actions/setup-qemu-action@3a1695b1353f9f8868722ffaafc1f164ef35fa5e # v3

.gitea/workflows/publish.yml

@@ -27,11 +27,11 @@ jobs:
       contents: read
     steps:
     - name: Checkout
-      uses: https://git.quad4.io/actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      uses: https://git.quad4.io/actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
       with:
         persist-credentials: false
     - name: Set up Python
-      uses: https://git.quad4.io/actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
+      uses: https://git.quad4.io/actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v5
       with:
         python-version: "3.13"
     - name: Install pypa/build

.gitea/workflows/safety.yml

@@ -9,9 +9,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: https://git.quad4.io/actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        uses: https://git.quad4.io/actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
       - name: Set up Python
-        uses: https://git.quad4.io/actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
+        uses: https://git.quad4.io/actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v5
         with:
           python-version: '3.10'
       - name: Install dependencies