message: refactor: Make CAddrMan::cs non-recursive
diff: @@ -626,8 +626,8 @@ protected:
  FastRandomContext insecure_rand;
  private:
  - //! critical section to protect the inner data structures
  - mutable RecursiveMutex cs;
  + //! A mutex to protect the inner data structures.
  + mutable Mutex cs;
  //! Serialization versions.
  enum Format : uint8_t {
  