chore(ci): refactor ci configs a bit

.woodpecker/.test.yml

@@ -1,27 +0,0 @@
-matrix:
-  PLATFORM:
-    - 'linux/amd64'
-    - 'linux/arm64'
-
-branches:
-  exclude: [ main ]
-platform: ${PLATFORM}
-
-pipeline:
-  install-modules:
-    image: 'chewingbever/vlang:0.3'
-    pull: true
-    commands:
-      - export VMODULES=$PWD/.vmodules
-      - 'cd src && v install'
-    when:
-      event: [pull_request]
-
-  test:
-    image: 'chewingbever/vlang:0.3'
-    pull: true
-    commands:
-      - export VMODULES=$PWD/.vmodules
-      - make test
-    when:
-      event: [pull_request]