chore(deps): update docker/setup-buildx-action action to v4

.gitea/workflows/build.yaml

@@ -17,7 +17,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6.0.2
       - uses: docker/setup-qemu-action@v3.7.0
-      - uses: docker/setup-buildx-action@v3.12.0
+      - uses: docker/setup-buildx-action@v4.0.0
 
       - name: Build image
         run: |
@@ -35,7 +35,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6.0.2
       - uses: docker/setup-qemu-action@v3.7.0
-      - uses: docker/setup-buildx-action@v3.12.0
+      - uses: docker/setup-buildx-action@v4.0.0
 
       - name: Build image
         run: |

.gitea/workflows/release.yaml

@@ -11,7 +11,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6.0.2
       - uses: docker/setup-qemu-action@v3.7.0
-      - uses: docker/setup-buildx-action@v3.12.0
+      - uses: docker/setup-buildx-action@v4.0.0
 
       - uses: docker/login-action@v3.7.0
         with:
@@ -37,7 +37,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6.0.2
       - uses: docker/setup-qemu-action@v3.7.0
-      - uses: docker/setup-buildx-action@v3.12.0
+      - uses: docker/setup-buildx-action@v4.0.0
 
       - uses: docker/login-action@v3.7.0
         with:

Makefile

@@ -1,6 +1,6 @@
 # POSTFIXADMIN_VERSION
 # Only required to install a specify version
-POSTFIXADMIN_VERSION?=4.0.1 # renovate: datasource=github-tags depName=postfixadmin/postfixadmin extractVersion='postfixadmin-(?<version>\d+\.\d+\.\d+)$'
+POSTFIXADMIN_VERSION?=3.3.15 # renovate: datasource=github-tags depName=postfixadmin/postfixadmin extractVersion='postfixadmin-(?<version>\d+\.\d+\.\d+)$'
 
 # PODMAN_BIN's and tools
 PODMAN_BIN?=$(shell which podman)