fix(ci): replace drone with gitea actions

.gitea/workflows/build.yaml

@@ -1,49 +0,0 @@
-name: Build
-
-on:
-  pull_request:
-    types:
-    - opened
-    - reopened
-    - synchronize
-  push:
-    branches:
-    - master
-  workflow_dispatch: {}
-
-jobs:
-  build-arm64:
-    runs-on: ubuntu-latest-arm64
-    steps:
-      - uses: actions/checkout@v4.2.2
-      - uses: docker/setup-qemu-action@v3.6.0
-      - uses: docker/setup-buildx-action@v3.10.0
-
-      - name: Build image
-        run: |
-          TAG=latest
-
-          docker buildx build \
-            --platform linux/arm64 \
-            --file Dockerfile \
-            --provenance false \
-            --tag git.cryptic.systems/volker.raschek/network-tools:${TAG}-arm64 \
-            .
-
-  build-amd64:
-    runs-on: ubuntu-latest-amd64
-    steps:
-      - uses: actions/checkout@v4.2.2
-      - uses: docker/setup-qemu-action@v3.6.0
-      - uses: docker/setup-buildx-action@v3.10.0
-
-      - name: Build image
-        run: |
-          TAG=latest
-
-          docker buildx build \
-            --platform linux/amd64 \
-            --file Dockerfile \
-            --provenance false \
-            --tag git.cryptic.systems/volker.raschek/network-tools:${TAG}-amd64 \
-            .

.gitea/workflows/release.yaml

@@ -2,8 +2,8 @@ name: Release
 
 on:
   push:
-    tags:
-    - "**"
+    branches:
+      - master
 
 jobs:
   push-arm64: