2.8.3
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What’s Changed
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*Major features*

 * Collect history of sent notifications by @ejuravlev in https://github.com/moira-alert/moira/pull/846 
 * Change PR Action logic to trigger build from comment and support build on forks @kotbauk in https://github.com/moira-alert/moira/pull/868

*Other*

 * Trigger with duplicated metrics now has EXCEPTION state instead of ERROR by @almostinf in https://github.com/moira-alert/moira/pull/875
 * Add support for sprig library in trigger description templates by @gODeaLoAple https://github.com/moira-alert/moira/pull/876 
 * Add EXCEPTION state to the list of daily reminded states by @Tetrergeru in https://github.com/moira-alert/moira/pull/878
 * Add validation of the list of used variables in trigger expressions by @almostinf in https://github.com/moira-alert/moira/pull/881
 * Stricter validation of trigger ids by @almostinf in https://github.com/moira-alert/moira/pull/887
 * Add timezone to messages in notifier by @almostinf in https://github.com/moira-alert/moira/pull/885
 * Add swagger generation by @almostinf in https://github.com/moira-alert/moira/pull/891