Update java/ql/lib/ext/java.nio.file.model.yml

Co-authored-by: Owen Mansel-Chan <62447351+owen-mc@users.noreply.github.com>

Author: MarkLee131

java/ql/lib/ext/java.nio.file.model.yml

@@ -28,7 +28,7 @@ extensions:
       - ["java.nio.file", "Files", False, "newBufferedWriter", "", "", "Argument[0]", "path-injection", "manual"]
       - ["java.nio.file", "Files", False, "newInputStream", "(Path,OpenOption[])", "", "Argument[0]", "path-injection[read]", "ai-manual"]
       - ["java.nio.file", "Files", False, "newOutputStream", "", "", "Argument[0]", "path-injection", "manual"]
-      - ["java.nio.file", "Files", False, "notExists", "(Path,LinkOption[])", "", "Argument[0]", "path-injection", "manual"]
+      - ["java.nio.file", "Files", False, "notExists", "(Path,LinkOption[])", "", "Argument[0]", "path-injection[read]", "manual"]
       - ["java.nio.file", "Files", False, "probeContentType", "(Path)", "", "Argument[0]", "path-injection", "ai-manual"] # accesses the file based on user input, but only reads its content type from it
       - ["java.nio.file", "Files", False, "readAllBytes", "(Path)", "", "Argument[0]", "path-injection[read]", "ai-manual"]
       - ["java.nio.file", "Files", False, "readAllLines", "(Path,Charset)", "", "Argument[0]", "path-injection[read]", "ai-manual"]