fix: use new k6/experimental/browser and update npm packages

Author: khauser

Diff for: .gitignore

@@ -5,4 +5,5 @@ dist
 /playwright-report/
 /playwright/.cache/
 .bin/
-.DS_Store
+.DS_Store
+.project

Diff for: Dockerfile

@@ -1,16 +1,6 @@
-FROM golang:1.19-bullseye as builder
+FROM grafana/k6:0.45.0
+USER root
 
-RUN go install -trimpath go.k6.io/xk6/cmd/xk6@latest
+RUN apk update && apk add --no-cache chromium
 
-RUN  xk6 build --output "/tmp/k6" --with github.com/grafana/xk6-browser
-
-FROM debian:bullseye
-
-RUN apt-get update && \
-    apt-get install -y chromium
-
-COPY --from=builder /tmp/k6 /usr/bin/k6
-
-ENV XK6_HEADLESS=true
-
-ENTRYPOINT ["k6"]
+ENV K6_BROWSER_ENABLED=true