Update package-lock and fix new linter errors. (#2412)

Update package-lock and fix new linter errors.

Extension/src/LanguageServer/client.ts

@@ -516,7 +516,7 @@ class DefaultClient implements Client {
                         return provider.provideConfigurations([document.uri], tokenSource.token);
                     }
                 }
-            } catch {
+            } catch (err) {
             }
             return Promise.reject("");
         };

Extension/src/LanguageServer/configurations.ts

@@ -638,7 +638,7 @@ export class CppProperties {
             if (dirty) {
                 try {
                     fs.writeFileSync(this.propertiesFile.fsPath, JSON.stringify(this.configurationJson, null, 4));
-                } catch {
+                } catch (err) {
                     // Ignore write errors, the file may be under source control. Updated settings will only be modified in memory.
                     vscode.window.showWarningMessage('Attempt to update "' + this.propertiesFile.fsPath + '" failed (do you have write access?)');
                 }