fix: remove github workflows

.github/dependabot.yml

@@ -1,35 +0,0 @@
-version: 2
-updates:
-
-# Maintain dependencies for docker
-- package-ecosystem: "docker"
-  directory: "/"
-  schedule:
-    interval: "daily"
-  assignees:
-  - "volker-raschek"
-  labels:
-  - "dependabot"
-  - "dependabot/docker"
-
-# Maintain dependencies for GitHub Actions
-- package-ecosystem: "github-actions"
-  directory: "/"
-  schedule:
-    interval: "daily"
-  assignees:
-  - "volker-raschek"
-  labels:
-  - "dependabot"
-  - "dependabot/github-actions"
-
-# Maintain dependencies for golang
-- package-ecosystem: "gomod"
-  directory: "/"
-  schedule:
-    interval: "daily"
-  assignees:
-  - "volker-raschek"
-  labels:
-  - "dependabot"
-  - "dependabot/gomod"

.github/workflows/auto-merge.yaml

@@ -1,19 +0,0 @@
-name: auto-merge
-
-on:
-  pull_request:
-
-jobs:
-  auto-merge:
-    permissions:
-      actions: read
-      checks: read
-      contents: write
-      statuses: read
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-    - uses: ahmadnassri/action-dependabot-auto-merge@v2
-      with:
-        target: minor
-        github-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/build-latest.yaml

@@ -1,41 +0,0 @@
-name: build-latest
-
-on:
-  push:
-    branches:
-    - master
-  pull_request:
-    types: [ opened, reopened ]
-
-env:
-  CONTAINER_RUNTIME: docker
-
-jobs:
-  cancel:
-    runs-on:
-    - ubuntu-22.04
-    steps:
-    - name: cancel previous runs
-      uses: styfle/cancel-workflow-action@0.9.1
-      with:
-        all_but_latest: true
-        access_token: ${{ github.token }}
-
-  build-amd64-latest:
-    runs-on:
-    - ubuntu-22.04
-    needs:
-    - cancel
-    steps:
-    - name: clone
-      uses: actions/checkout@v2
-    - name: update apt cache
-      run: sudo apt update --yes
-    - name: upgrade packages
-      run: sudo apt upgrade --yes
-    - name: install build-essential
-      run: sudo apt install --yes build-essential
-    - name: set up docker
-      uses: docker-practice/actions-setup-docker@master
-    - name: build
-      run: make container-image/build/amd64