servo: Merge #15555 - tidy: Ignore [replace]’d packages in the duplicate package lint (from servo:tidy-ignore-replace); r=nox

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Source-Repo: https://github.com/servo/servo
Source-Revision: cc99d9400aa43673e8ce52c01607c62c1dfd118a

servo/python/tidy/servo_tidy/tidy.py

@@ -330,6 +330,8 @@ def check_lock(file_name, contents):
 
     packages_by_name = {}
     for package in content.get("package", []):
+        if "replace" in package:
+            continue
         source = package.get("source", "")
         if source == r"registry+https://github.com/rust-lang/crates.io-index":
             source = "crates.io"