Fill message templates in logs

[androndo]

PR Summary

Added filling messageTemplate for log methods with format, this allow to aggregate messages by this fileds. It useful for Sentry, Kibana or some log viewvers.

[codecov-commenter]

Codecov Report

Merging #636 (4f5d962) into master (1f1d72e) will decrease coverage by 0.02%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #636      +/-   ##
==========================================
- Coverage   69.25%   69.22%   -0.03%     
==========================================
  Files         170      170              
  Lines        7624     7624              
==========================================
- Hits         5280     5278       -2     
- Misses       2010     2012       +2     
  Partials      334      334              

Impacted Files	Coverage Δ
database/redis/database_dialer.go	45.83% <0.00%> (-2.78%)	:arrow_down:

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[kissken]

we have already rewritten the logs https://github.com/moira-alert/moira/pull/819 https://github.com/moira-alert/moira/pull/816