Switch back to local VM based testing since Docker (as in Docker CE) in Docker (as in Woodpecker) in Docker (on host) caused too many problems

.woodpecker

@@ -1,12 +0,0 @@
-steps:
-  build:
-    when:
-      event: [push, pull_request]
-    image: docker.io/library/ubuntu:noble
-    commands:
-      - mkdir /opt/my-mongo
-      - apt update
-      - apt install -y ca-certificates curl golang
-      - go get
-      - go build
-      - ./main -v