refactor: extract metrics-collector from fission-console, bump console to v1.3.12

metrics-collector/Dockerfile

@@ -0,0 +1,11 @@
+FROM golang:1.22-alpine AS builder
+WORKDIR /build
+COPY go.mod ./
+COPY . .
+RUN CGO_ENABLED=0 GOOS=linux go build -trimpath -ldflags="-s -w" -o metrics-collector ./cmd/server/
+
+FROM alpine:3.20
+RUN apk add --no-cache ca-certificates
+COPY --from=builder /build/metrics-collector /metrics-collector
+EXPOSE 8091
+ENTRYPOINT ["/metrics-collector"]