Merge branch 'release' into 'hotfix/AdjustableFollowerInterval'

cmix/interface.go

cmix/sendCmix.go

cmix/sendCmixUtils.go

cmix/sendManyCmix.go

connect/utils_test.go

dummy/mockCmix_test.go

e2e/fpGenerator_test.go

e2e/rekey/utils_test.go

e2e/utils_test.go

fileTransfer/connect/utils_test.go

fileTransfer/e2e/utils_test.go

fileTransfer/groupChat/utils_test.go

fileTransfer/manager.go

fileTransfer/send.go

fileTransfer/utils_test.go

groupChat/interface.go

groupChat/networkManager_test.go

groupChat/send.go

ud/networkManager_test.go

xxdk/utilsInterfaces_test.go