chore(all): update actions/checkout action to v6 (#38)

Author: renovate-bot

.github/workflows/public.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
     - name: Check out code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Setup Python
       uses: actions/setup-python@v6
@@ -46,7 +46,7 @@ jobs:
       id: go
 
     - name: Check out code into the Go module directory
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Get dependencies
       run: |

.github/workflows/py.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
     - name: Check out code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Setup Python
       uses: actions/setup-python@v6