Bump actions/checkout from 4.2.0 to 4.2.1

.github/workflows/build.yml

@@ -9,7 +9,7 @@ jobs:
     name: Build Docker image with pyziomki's dependencies
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/[email protected].0
+      - uses: actions/[email protected].1
       - name: Build doctools docker image
         uses: docker/build-push-action@v6
         with:

.github/workflows/docker_latest.yaml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out the repo
-        uses: actions/[email protected].0
+        uses: actions/[email protected].1
 
       - name: Log in to Docker Hub
         uses: docker/login-action@v3

.github/workflows/docker_tag.yaml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Check out the repo
-        uses: actions/[email protected].0
+        uses: actions/[email protected].1
 
       - name: Docker meta
         id: meta
@@ -47,7 +47,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Check out the repo
-        uses: actions/[email protected].0
+        uses: actions/[email protected].1
 
       - name: Docker meta
         id: meta