fix(renovate): automerge patch versions of used container images in docker files

.drone.yml

@@ -6,9 +6,6 @@ name: linter
 clone:
   disable: true
 
-platform:
-  os: linux
-
 steps:
 - name: clone
   image: git.cryptic.systems/volker.raschek/git:1.2.1
@@ -16,7 +13,7 @@ steps:
 - name: markdown lint
   commands:
   - markdownlint *.md
-  image: git.cryptic.systems/volker.raschek/markdownlint:0.34.0
+  image: git.cryptic.systems/volker.raschek/markdownlint:0.35.0
   resources:
     limits:
       cpu: 150
@@ -452,12 +449,17 @@ depends_on:
 - latest-arm-v7
 - latest-arm64-v8
 
+# docker.io/plugins/manifest only for amd64 architectures available
+node_selector:
+  kubernetes.io/os: linux
+  kubernetes.io/arch: amd64
+
 steps:
 - name: clone
   image: git.cryptic.systems/volker.raschek/git:1.2.1
 
 - name: build-manifest
-  image: docker.io/plugins/manifest:latest
+  image: docker.io/plugins/manifest:1.4.0
   settings:
     auto_tag: false
     ignore_missing: true
@@ -751,12 +753,17 @@ depends_on:
 - tagged-arm-v7
 - tagged-arm64-v8
 
+# docker.io/plugins/manifest only for amd64 architectures available
+node_selector:
+  kubernetes.io/os: linux
+  kubernetes.io/arch: amd64
+
 steps:
 - name: clone
   image: git.cryptic.systems/volker.raschek/git:1.2.1
 
 - name: build-manifest
-  image: docker.io/plugins/manifest:latest
+  image: docker.io/plugins/manifest:1.4.0
   settings:
     auto_tag: true
     ignore_missing: true

Dockerfile

@@ -1,4 +1,4 @@
-FROM docker.io/library/alpine:3.18
+FROM docker.io/library/alpine:3.18.3
 
 ARG HELM_VERSION
 

renovate.json

@@ -11,6 +11,14 @@
       "matchManagers": "droneci",
       "matchUpdateTypes": [ "minor", "patch"]
     },
+    {
+      "description": "Automatically update patch version of used container images in docker files",
+      "addLabels": [ "renovate/container-image", "renovate/automerge" ],
+      "automerge": true,
+      "matchBaseBranches": [ "master" ],
+      "matchManagers": [ "dockerfile" ],
+      "matchUpdateTypes": [ "patch" ]
+    },
     {
       "addLabels": [ "renovate/helm", "renovate/automerge" ],
       "automerge": false,