0.18.3 (2021-06-16)

Breaking changes

• Connection: Split pairwise and cloud agent information #288

CI changes

• Copy cached cargo into libvcx image to prevent redownloading cargo de… #293

• Revert rust version to 1.45.2, release aries-vcx 0.18.3 #297
• Use enums instead of u32 to distinguish connection FSM states on Rust layer #294
• Refactor/move tests #289
• Remove/fees setup #278