Don't flag pyrefly pragmas as unused code (ERA001) (#19731)

crates/ruff_linter/resources/test/fixtures/eradicate/ERA001.py

@@ -89,3 +89,14 @@ print(1)
 # ///
 #
 # Foobar
+
+
+# Regression tests for https://github.com/astral-sh/ruff/issues/19713
+
+# mypy: ignore-errors
+# pyright: ignore-errors
+# pyrefly: ignore-errors
+# ty: ignore[unresolved-import]
+# pyrefly: ignore[unused-import]
+
+print(1)

crates/ruff_linter/src/rules/eradicate/detection.rs

@@ -21,6 +21,7 @@ static ALLOWLIST_REGEX: LazyLock<Regex> = LazyLock::new(|| {
         (?:
             # Case-sensitive
             pyright
+        |   pyrefly
         |   mypy:
         |   type:\s*ignore
         |   SPDX-License-Identifier: