Potential fix for code scanning alert no. 4: Incomplete string escaping or encoding

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: davidbuzinski

src/buildtool.unit.test.ts

@@ -4,7 +4,7 @@ import * as path from "path";
 import * as buildtool from "./buildtool";
 
 describe("command generation", () => {
-const command = "addpath('"+ path.join(__dirname, "plugins").replace("'","''") +"'); buildtool"
+const command = "addpath('"+ path.join(__dirname, "plugins").replace(/'/g,"''") +"'); buildtool"
     it("buildtool invocation with unspecified tasks and build options", () => {
         const options: buildtool.RunBuildOptions = {
             Tasks: "",