chore(deps): update dependency helm/helm to v4.0.5

The pre-installed plugins must be installed individually. Otherwise runs this
project into the problem, that we need to trigger a new release of the container
image only to update the plugin in case of an issue.

.gitea/workflows/auto-release.yaml

@@ -17,7 +17,7 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5.0.0
+      - uses: actions/checkout@v6.0.1
         with:
           fetch-depth: 0
 

.gitea/workflows/build.yaml

@@ -15,9 +15,9 @@ jobs:
   build-arm64:
     runs-on: ubuntu-latest-arm64
     steps:
-      - uses: actions/checkout@v5.0.0
+      - uses: actions/checkout@v6.0.1
       - uses: docker/setup-qemu-action@v3.7.0
-      - uses: docker/setup-buildx-action@v3.11.1
+      - uses: docker/setup-buildx-action@v3.12.0
 
       - name: Build image
         run: |
@@ -33,9 +33,9 @@ jobs:
   build-amd64:
     runs-on: ubuntu-latest-amd64
     steps:
-      - uses: actions/checkout@v5.0.0
+      - uses: actions/checkout@v6.0.1
       - uses: docker/setup-qemu-action@v3.7.0
-      - uses: docker/setup-buildx-action@v3.11.1
+      - uses: docker/setup-buildx-action@v3.12.0
 
       - name: Build image
         run: |

.gitea/workflows/markdown-linters.yaml

@@ -15,7 +15,7 @@ jobs:
   markdown-lint:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5.0.0
-    - uses: DavidAnson/markdownlint-cli2-action@v20.0.0
+    - uses: actions/checkout@v6.0.1
+    - uses: DavidAnson/markdownlint-cli2-action@v21.0.0
       with:
         globs: '**/*.md'

.gitea/workflows/release.yaml

@@ -27,13 +27,13 @@ jobs:
           echo "version_raw=${VERSION}" >> $GITHUB_OUTPUT
           echo "version_cleaned=${VERSION/v/}" >> $GITHUB_OUTPUT
 
-      - uses: actions/checkout@v5.0.0
+      - uses: actions/checkout@v6.0.1
         with:
           fetch-tags: true
           ref: "${{ steps.version_extraction.outputs.version_raw }}"
 
       - uses: docker/setup-qemu-action@v3.7.0
-      - uses: docker/setup-buildx-action@v3.11.1
+      - uses: docker/setup-buildx-action@v3.12.0
 
       - uses: docker/login-action@v3.6.0
         with:
@@ -67,13 +67,13 @@ jobs:
           echo "version_raw=${VERSION}" >> $GITHUB_OUTPUT
           echo "version_cleaned=${VERSION/v/}" >> $GITHUB_OUTPUT
 
-      - uses: actions/checkout@v5.0.0
+      - uses: actions/checkout@v6.0.1
         with:
           fetch-tags: true
           ref: "${{ steps.version_extraction.outputs.version_raw }}"
 
       - uses: docker/setup-qemu-action@v3.7.0
-      - uses: docker/setup-buildx-action@v3.11.1
+      - uses: docker/setup-buildx-action@v3.12.0
 
       - uses: docker/login-action@v3.6.0
         with:

.gitea/workflows/update-docker-hub-description.yaml

@@ -13,7 +13,7 @@ jobs:
     runs-on:
     - ubuntu-latest
     steps:
-    - uses: actions/checkout@v5.0.0
+    - uses: actions/checkout@v6.0.1
     - uses: peter-evans/dockerhub-description@v5.0.0
       with:
         username: ${{ secrets.DOCKER_IO_USERNAME }}

Dockerfile

@@ -1,18 +1,13 @@
-FROM docker.io/library/alpine:3.22.2
+FROM docker.io/library/alpine:3.23.2
 
 ARG HELM_VERSION
 
 RUN apk add bash curl git openssl && \
-    curl https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 --output /tmp/install.sh
+    curl https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-4 --output /tmp/install.sh
 
 RUN if [[ -z "${HELM_VERSION+x}" ]]; then bash /tmp/install.sh; fi
 RUN if [[ -n "${HELM_VERSION+x}" ]]; then bash /tmp/install.sh --version "${HELM_VERSION}"; fi
 
 RUN rm /tmp/install.sh
 
-# Install additionally helm plugins
-RUN helm plugin install https://github.com/chartmuseum/helm-push.git && \
-    helm plugin install https://github.com/helm-unittest/helm-unittest.git && \
-    helm plugin install https://github.com/losisin/helm-values-schema-json.git
-
 ENTRYPOINT [ "/usr/local/bin/helm" ]

Makefile

@@ -1,6 +1,6 @@
 # HELM_VERSION
 # Only required to install a specify version
-HELM_VERSION?=v3.19.2 # renovate: datasource=github-releases depName=helm/helm
+HELM_VERSION?=v4.0.5 # renovate: datasource=github-releases depName=helm/helm
 
 # CONTAINER_RUNTIME
 # The CONTAINER_RUNTIME variable will be used to specified the path to a

README.md

@@ -7,7 +7,7 @@ goal of this project is to package the binary `helm` as container image and prov
 The source code of the binary can be found in the upstream project of [helm](github.com/helm/helm).
 
 ```bash
-IMAGE_VERSION=3.19.2
+IMAGE_VERSION=4.0.5
 docker run \
   --rm \
   --volume "$(pwd):$(pwd)" \