message: dcsctp: Correct safety tag for MaxRetransmits
  By a copy-paste accident, it used the same as TimeMs.
  Cr-Commit-Position: refs/heads/main@{#36617}
diff: @@ -107,10 +107,11 @@ constexpr inline DurationMs operator-(TimeMs lhs, TimeMs rhs) {
  // The maximum number of times the socket should attempt to retransmit a
  // message which fails the first time in unreliable mode.
  -class MaxRetransmits : public webrtc::StrongAlias<class TimeMsTag, uint16_t> {
  +class MaxRetransmits
  + : public webrtc::StrongAlias<class MaxRetransmitsTag, uint16_t> {
  public:
  constexpr explicit MaxRetransmits(const UnderlyingType& v)
  - : webrtc::StrongAlias<class TimeMsTag, uint16_t>(v) {}
  + : webrtc::StrongAlias<class MaxRetransmitsTag, uint16_t>(v) {}
  // There should be no limit - the message should be sent reliably.
  static constexpr MaxRetransmits NoLimit() {
  