Token Bridge 2.7.0-rc2

Merge the develop branch to the master branch, preparation to v2.7.0-rc2

This merge contains the following set of changes:
  * [Monitor, Improvement] Include stats about failed and pending messages in mediators monitor endpoint (#544), closes #522
  * [Oracle, Fix] Fix remote shutdown sender behaviour (#550)
  * [Oracle, Fix] Force update of gas price when getting underprice tx error (#554), closes #545
  * [Oracle, Fix] Add oracle configuration option for max block range length (#557)
  * [Monitor, Fix] Limit block range of logs request (#543), closes #537
  * [Monitor, Fix] Add missing cache file save (#549)
  * [UI, Other] Remove UI from monorepo (#553)
  * [Common, Other] Update the contract's submodule to the release 5.7.0-rc0 (#548)
  * [Common, Other] Final version of the FT OB contract security audit report by ChainSecurity (#559)

Token Bridge 2.7.0-rc1

Merge the develop branch to the master branch, preparation to v2.7.0-rc1

Token Bridge 2.7.0-rc0

Merge the develop branch to the master branch, preparation to v2.7.0-…

Token Bridge 2.6.0

Merge the develop branch to the master branch, preparation to v2.6.0

Token Bridge 2.6.0-rc3

Merge the develop branch to the master branch, preparation to v2.6.0-rc3

Token Bridge 2.6.0-rc2

Merge the develop branch to the master branch, preparation to v2.6.0-rc2

Token Bridge 2.6.0-rc1

Merge the develop branch to the master branch, preparation to v2.6.0-rc1

Token Bridge 2.6.0-rc0

Merge the develop branch to the master branch, preparation to v2.6.0-rc0

Token Bridge 2.5.0

Merge the develop branch to the master branch, preparation to v2.5.0

Token Bridge 2.4.0

Merge the develop branch to the master branch, preparation to v2.4.0