excludes BackupNotFoundException.java + add label by (#2629)

# Description

Please provide a summary of the changes, including relevant motivation
and context.

Closes #(issue_number)

## Checklist

- [x] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [x] I have performed a self-review of my own code
- [ ] I have attached images of the change if it is UI based
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] If my code has heavily changed functionality I have updated
relevant docs on [Stirling-PDFs doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
- [x] My changes generate no new warnings
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

build.gradle

@@ -59,6 +59,7 @@ sourceSets {
                 exclude "stirling/software/SPDF/model/ApiKeyAuthenticationToken.java"
                 exclude "stirling/software/SPDF/model/AttemptCounter.java"
                 exclude "stirling/software/SPDF/model/Authority.java"
+                exclude "stirling/software/SPDF/model/BackupNotFoundException.java"
                 exclude "stirling/software/SPDF/model/PersistentLogin.java"
                 exclude "stirling/software/SPDF/model/SessionEntity.java"
                 exclude "stirling/software/SPDF/model/User.java"
@@ -146,7 +147,7 @@ jpackage {
     windows {
     	launcherAsService = false
     	appVersion = project.version
-    	
+
     	winConsole = false
         winMenu = true  // Creates start menu entry
         winShortcut = true  // Creates desktop shortcut