Fix a deprecation warning about CloseShieldOutputStream

Author: ibbem

src/main/java/org/variantsync/diffdetective/analysis/strategies/AnalyzeAllAndExport.java

@@ -34,7 +34,7 @@ public void start(Repository repo, Path outputPath) {
     public OutputStream onCommit(CommitDiff commit) {
         // lineGraphDestination is reused for all commits. CloseShieldOutputStream ensures that it
         // isn't closed after processing this commit.
-        return new CloseShieldOutputStream(lineGraphDestination);
+        return CloseShieldOutputStream.wrap(lineGraphDestination);
     }
 
     @Override

src/main/java/org/variantsync/diffdetective/analysis/strategies/AnalyzeAndExportIncrementally.java

@@ -66,7 +66,7 @@ public OutputStream onCommit(CommitDiff commit) {
 
         // lineGraphDestination is reused for all commits. CloseShieldOutputStream ensures that it
         // isn't closed after processing this commit.
-        return new CloseShieldOutputStream(lineGraphDestination);
+        return CloseShieldOutputStream.wrap(lineGraphDestination);
     }
 
     @Override