fix: changed error.code to error.status (#54) (#55)

Due to deprecation warnings, I changed the `code` attribute to `status`
to fix
[ac-bot#54](#54).

Author: Berkmann18

src/Repository/index.js

@@ -21,7 +21,7 @@ class Repository {
                 path: filePath,
             })
         } catch (error) {
-            if (error.code === 404) {
+            if (error.status === 404) {
                 throw new ResourceNotFoundError(filePath, this.full_name)
             } else {
                 throw error

src/utils/getUserDetails.js

@@ -15,7 +15,7 @@ async function getUserDetials({ github, username }) {
     try {
         result = await github.users.getByUsername({ username })
     } catch (error) {
-        if (error.code === 404) {
+        if (error.status === 404) {
             throw new UserNotFoundError(username)
         } else {
             throw error