Refactor getVersionFromToolVersionsFile function

- Simplified parameter handling by providing a default value directly in the function signature.
- Improved readability by removing unnecessary variable assignment.

lib/versions.js

@@ -106,14 +106,13 @@ function fetchLatestTag(repo) {
   );
 }
 
-async function getVersionFromToolVersionsFile(toolVersionsPath) {
+async function getVersionFromToolVersionsFile(toolVersionsPath = ".tool-versions") {
   try {
-    toolVersionsPath = toolVersionsPath || ".tool-versions";
     const toolVersions = await fs.readFile(toolVersionsPath, {
-      encoding: "utf-8",
+       encoding: "utf-8"
     });
     return toolVersions.match(/^scarb ([\w.-]+)/m)?.[1];
-  } catch (e) {
+  } catch {
     return undefined;
   }
 }