errors: Add missing ending dot in error & fatal messages

[vadmeste]

No description provided.

[codecov-io]

Codecov Report

Merging #2418 into master will not change coverage.
The diff coverage is 6.89%.

@@           Coverage Diff           @@
##           master    #2418   +/-   ##
=======================================
  Coverage   10.62%   10.62%           
=======================================
  Files         107      107           
  Lines        8379     8379           
=======================================
  Hits          890      890           
  Misses       7341     7341           
  Partials      148      148

Impacted Files	Coverage Δ
cmd/admin-credentials.go	0% <0%> (ø)	⬆️
cmd/admin-heal-ui.go	0% <0%> (ø)	⬆️
cmd/cat-main.go	17.77% <0%> (ø)	⬆️
cmd/cp-main.go	0% <0%> (ø)	⬆️
cmd/certs.go	0% <0%> (ø)	⬆️
cmd/pipe-main.go	0% <0%> (ø)	⬆️
cmd/stat-main.go	0% <0%> (ø)	⬆️
cmd/config-host-list.go	0% <0%> (ø)	⬆️
cmd/update-main.go	0% <0%> (ø)	⬆️
cmd/config-host-add.go	0% <0%> (ø)	⬆️
... and 5 more

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[harshavardhana]

LGTM

[nitisht]

LGTM