Fix Worker stencil (#328)

Author: tinder-garricnahapetian

Sources/XcodeTemplateGeneratorLibrary/Resources/Templates/Worker.stencil

@@ -18,7 +18,7 @@ internal final class {{ worker_name }}WorkerImp: AbstractWorker
 > {
 
     /// The initializer.
-    internal init() {}
+    override internal init() {}
 
     /// Implement logic to execute when the Worker is started.
     override internal func didStart() {}

Tests/XcodeTemplateGeneratorLibraryTests/__Snapshots__/StencilRendererTests/testRenderWorker.1.txt

@@ -18,7 +18,7 @@ internal final class <workerName>WorkerImp: AbstractWorker
 > {
 
     /// The initializer.
-    internal init() {}
+    override internal init() {}
 
     /// Implement logic to execute when the Worker is started.
     override internal func didStart() {}

Tests/XcodeTemplateGeneratorLibraryTests/__Snapshots__/XcodeTemplatesTests/testGenerateWithIdentifier.Contents-Developer-Xcode-Templates-File-Templates-Nodes-Architecture-Framework-identifier-Worker-xctemplate-___FILEBASENAME___Worker-swift.txt

@@ -19,7 +19,7 @@ internal final class ___VARIABLE_productName___WorkerImp: AbstractWorker
 > {
 
     /// The initializer.
-    internal init() {}
+    override internal init() {}
 
     /// Implement logic to execute when the Worker is started.
     override internal func didStart() {}

Tests/XcodeTemplateGeneratorLibraryTests/__Snapshots__/XcodeTemplatesTests/testGenerateWithURL.Contents-Worker-xctemplate-___FILEBASENAME___Worker-swift.txt

@@ -19,7 +19,7 @@ internal final class ___VARIABLE_productName___WorkerImp: AbstractWorker
 > {
 
     /// The initializer.
-    internal init() {}
+    override internal init() {}
 
     /// Implement logic to execute when the Worker is started.
     override internal func didStart() {}