message: acl regex rules should be case insensitive
diff: @@ -248,7 +248,11 @@ impl AccessControl {
  }
  };
  - let bypass_regex = match RegexSetBuilder::new(bypass_rules).size_limit(REGEX_SIZE_LIMIT).build() {
  + let bypass_regex = match RegexSetBuilder::new(bypass_rules)
  + .case_insensitive(true)
  + .size_limit(REGEX_SIZE_LIMIT)
  + .build()
  + {
  Ok(r) => r,
  Err(err) => {
  let err = Error::new(
  @@ -259,7 +263,11 @@ impl AccessControl {
  }
  };
  - let proxy_regex = match RegexSetBuilder::new(proxy_rules).size_limit(REGEX_SIZE_LIMIT).build() {
  + let proxy_regex = match RegexSetBuilder::new(proxy_rules)
  + .case_insensitive(true)
  + .size_limit(REGEX_SIZE_LIMIT)
  + .build()
  + {
  Ok(r) => r,
  Err(err) => {
  let err = Error::new(
  