[ruff] Treat ) as a regex metacharacter (RUF043, RUF055) (#15318

)

## Summary

Resolves #15316.

## Test Plan

`cargo nextest run` and `cargo insta test`.

crates/ruff_linter/resources/test/fixtures/ruff/RUF043.py

@@ -18,6 +18,9 @@ def test_foo():
     with pytest.raises(EscapedFollowedByUnescaped, match="foo\\.*bar"): ...
     with pytest.raises(UnescapedFollowedByEscaped, match="foo.\\*bar"): ...
 
+    # https://github.com/astral-sh/ruff/issues/15316
+    with pytest.raises(ClosingParenthesis, match="foo)"): ...
+
 
     ## Metasequences
 

crates/ruff_linter/resources/test/fixtures/ruff/RUF055_0.py

@@ -58,6 +58,7 @@ def dashrepl(matchobj):
 re.sub(r"abc\n", "", s)  # this one could be fixed but is not currently
 re.sub(r"abc|def", "", s)
 re.sub(r"(a)bc", "", s)
+re.sub(r"a)bc", "", s)  # https://github.com/astral-sh/ruff/issues/15316
 
 # and these should not be modified because they have extra arguments
 re.sub("abc", "", s, flags=re.A)

crates/ruff_linter/src/rules/ruff/rules/pytest_raises_ambiguous_pattern.rs

@@ -150,6 +150,6 @@ const fn escaped_char_is_regex_metasequence(c: char) -> bool {
 const fn char_is_regex_metacharacter(c: char) -> bool {
     matches!(
         c,
-        '.' | '^' | '$' | '*' | '+' | '?' | '{' | '[' | '\\' | '|' | '('
+        '.' | '^' | '$' | '*' | '+' | '?' | '{' | '[' | '\\' | '|' | '(' | ')'
     )
 }

crates/ruff_linter/src/rules/ruff/rules/unnecessary_regular_expression.rs

@@ -105,7 +105,7 @@ pub(crate) fn unnecessary_regular_expression(checker: &mut Checker, call: &ExprC
     let has_metacharacters = string_lit
         .value
         .to_str()
-        .contains(['.', '^', '$', '*', '+', '?', '{', '[', '\\', '|', '(']);
+        .contains(['.', '^', '$', '*', '+', '?', '{', '[', '\\', '|', '(', ')']);
 
     if has_metacharacters {
         return;