fix(ci): avoid docker's pull rate limit

.gitea/workflows/build.yaml

@@ -16,7 +16,9 @@ jobs:
     runs-on: ubuntu-latest-arm64
     steps:
       - uses: actions/checkout@v6.0.2
-      - uses: docker/setup-qemu-action@v3.7.0
+      - uses: docker/setup-qemu-action@v4.0.0
+        with:
+          image: harbor.cryptic.systems/docker/tonistiigi/binfmt:latest
       - uses: docker/setup-buildx-action@v4.0.0
 
       - name: Build image
@@ -34,7 +36,9 @@ jobs:
     runs-on: ubuntu-latest-amd64
     steps:
       - uses: actions/checkout@v6.0.2
-      - uses: docker/setup-qemu-action@v3.7.0
+      - uses: docker/setup-qemu-action@v4.0.0
+        with:
+          image: harbor.cryptic.systems/docker/tonistiigi/binfmt:latest
       - uses: docker/setup-buildx-action@v4.0.0
 
       - name: Build image

.gitea/workflows/release.yaml

@@ -10,7 +10,9 @@ jobs:
     runs-on: ubuntu-latest-arm64
     steps:
       - uses: actions/checkout@v6.0.2
-      - uses: docker/setup-qemu-action@v3.7.0
+      - uses: docker/setup-qemu-action@v4.0.0
+        with:
+          image: harbor.cryptic.systems/docker/tonistiigi/binfmt:latest
       - uses: docker/setup-buildx-action@v4.0.0
 
       - uses: docker/login-action@v4.1.0
@@ -35,7 +37,9 @@ jobs:
     runs-on: ubuntu-latest-amd64
     steps:
       - uses: actions/checkout@v6.0.2
-      - uses: docker/setup-qemu-action@v3.7.0
+      - uses: docker/setup-qemu-action@v4.0.0
+        with:
+          image: harbor.cryptic.systems/docker/tonistiigi/binfmt:latest
       - uses: docker/setup-buildx-action@v4.0.0
 
       - uses: docker/login-action@v4.1.0
@@ -96,4 +100,4 @@ jobs:
           --src-password ${{ secrets.GIT_CRYPTIC_SYSTEMS_PACKAGE_REGISTRY_TOKEN }} \
           --src-username volker.raschek \
             docker://git.cryptic.systems/volker.raschek/postfixadmin-fetchmail:${TAG} \
-            docker://docker.io/volkerraschek/postfixadmin-fetchmail:${TAG}
+            docker://docker.io/volkerraschek/postfixadmin-fetchmail:${TAG}

Dockerfile

@@ -1,4 +1,4 @@
-FROM docker.io/library/alpine:3.23.3
+FROM docker.io/library/alpine:3.23.4
 
 # The file /etc/apk/repositories contains a list of the apk repositories. By
 # default contains this file a list of the stable repositories pointing to the