fix: do not use --force when choosing yarn

1. yarn v2+ does not support it.
2. yarn v1 can install without the flag.

fixes #122

lib/config-generator.js

@@ -270,6 +270,17 @@ export default [\n${exportContent}];`;
                 choices: ["npm", "yarn", "pnpm", "bun"]
             })).packageManager;
 
+            // removing `--force` when:
+            // 1. yarn v2+ -- it does not support it.
+            // 2. eslint v8.x -- it does not need it.
+            if (packageManager === "yarn" || this.answers.eslintVersion === "8.x") {
+                const index = this.result.installFlags.indexOf("--force");
+
+                if (index !== -1) {
+                    this.result.installFlags.splice(index, 1);
+                }
+            }
+
             log.info("☕️Installing...");
             installSyncSaveDev(this.result.devDependencies, packageManager, this.result.installFlags);
             await writeFile(configPath, this.result.configContent);