fix: Address unknown path format error in wsl2 (serverless#667)

Author: snicmakino

lib/docker.js

@@ -2,6 +2,7 @@ const { spawnSync } = require('child_process');
 const isWsl = require('is-wsl');
 const fse = require('fs-extra');
 const path = require('path');
+const os = require('os');
 
 /**
  * Helper function to run a docker command
@@ -102,7 +103,8 @@ function tryBindPath(serverless, bindPath, testFile) {
  */
 function getBindPath(serverless, servicePath) {
   // Determine bind path
-  if (process.platform !== 'win32' && !isWsl) {
+  let isWsl1 = isWsl && !os.release().includes('microsoft-standard');
+  if (process.platform !== 'win32' && !isWsl1) {
     return servicePath;
   }