[build] Fix vulnerability in serialize-javascript <=7.0.4

```
npm audit report

serialize-javascript  <7.0.5
Severity: moderate
Serialize JavaScript has CPU Exhaustion Denial of Service via crafted array-like objects - GHSA-qj8w-gfj5-8c6v
fix available via `npm audit fix --force`
Will install mocha@7.2.0, which is a breaking change
node_modules/serialize-javascript
  mocha  8.0.0 - 12.0.0-beta-2
  Depends on vulnerable versions of serialize-javascript
  node_modules/mocha
  terser-webpack-plugin  <=5.3.16
  Depends on vulnerable versions of serialize-javascript
  node_modules/terser-webpack-plugin
```

Fixes: https://github.com/redhat-developer/vscode-openshift-tools/security/dependabot/149

Signed-off-by: Victor Rubezhny <vrubezhny@redhat.com>

Author: vrubezhny

package-lock.json

@@ -200,7 +200,7 @@
 		"tough-cookie": "^6.0.1",
 		"tar-fs": "^3.1.2",
 		"diff": "^8.0.3",
-		"serialize-javascript": "^7.0.3"
+		"serialize-javascript": "^7.0.5"
 	},
 	"activationEvents": [
 		"onView:openshiftProjectExplorer",