ci: use forgejo workflows

.forgejo/workflows/rust.yml

@@ -0,0 +1,45 @@
+name: build
+
+on: [push]
+jobs:
+  test-debian:
+    runs-on: docker
+    container:
+      image: rust:latest
+    steps:
+      - name: prepare packages
+        run: |
+          apt update && \
+          apt -y install git cargo
+
+      - name: checkout
+        run: |
+          git init
+          git remote add origin ${FORGEJO_SERVER_URL}/${FORGEJO_REPOSITORY}
+          git fetch origin
+          git fetch origin ${FORGEJO_REF}
+          git checkout ${FORGEJO_REF_NAME}
+
+      - name: build the package
+        run: cargo test --verbose -- --no-capture
+  test-alpine:
+    runs-on: docker
+    container:
+      image: rust:alpine3.23
+    steps:
+      - name: prepare packages
+        run: |
+          apk update && \
+          apk --interactive=no add git cargo
+
+      - name: checkout
+        run: |
+          git init
+          git remote add origin ${FORGEJO_SERVER_URL}/${FORGEJO_REPOSITORY}
+          git fetch origin
+          git fetch origin ${FORGEJO_REF}
+          git checkout ${FORGEJO_REF_NAME}
+
+      - name: build the package
+        run: cargo test --verbose -- --no-capture
+