add timestamp to url

apps/remix-ide/src/app/plugins/parser/code-parser.tsx

@@ -118,6 +118,8 @@ export class CodeParser extends Plugin {
         })
 
         this.on('solidity', 'loadingCompiler', async (url) => {
+            // add timestamp to avoid caching
+            url = url + '?t=' + Date.now()
             this.compilerService.compiler.loadVersion(true, url)
         })