fix: support Deno 1.14 (#33)

Author: lucacasonato

Dockerfile

@@ -1,6 +1,6 @@
 FROM debian:buster-slim
 
-ENV DENO_VERSION=1.10.2
+ENV DENO_VERSION=1.14.2
 ARG DEBIAN_FRONTEND=noninteractive
 
 RUN apt-get -qq update \

src/deno/BrowserRunner.ts

@@ -124,7 +124,7 @@ export class BrowserRunner {
     // `proc.kill` would error, as the `pid` to-be-killed can not be found.
     if (this.proc && this.proc.pid && !this._closed) {
       try {
-        this.proc.kill(9);
+        this.proc.kill("SIGKILL");
       } catch (error) {
         throw new Error(
           `${PROCESS_ERROR_EXPLANATION}\nError cause: ${error.stack}`