feat: migrate from woodpecker to forgejo actions

.forgejo/workflows/test.yml

@@ -0,0 +1,19 @@
+---
+
+on: push
+
+jobs:
+
+  test:
+    runs-on: docker
+    steps:
+      - uses: https://code.forgejo.org/actions/checkout@v4
+      - name: setup environment
+        run: |
+          apt update; apt install python3-pip
+          pip3 install -r requirements.txt
+      - name: build map
+        run: |
+          ./generate_map.py \
+            --cache-directory cache.example \
+            --rename 'Frankfurt am Main' 'Frankfurt'

.woodpecker.yml

@@ -1,11 +0,0 @@
----
-pipeline:
-
-  test:
-    image: python:3.9
-    commands:
-      - pip3 install -r requirements.txt
-      - >-
-        ./generate_map.py
-        --cache-directory cache.example
-        --rename 'Frankfurt am Main' 'Frankfurt'