SyncBot: Fix GitHub issues causing infinite loops
SyncBot: Fix GitHub issues causing infinite loops

The GitHub translator was signing only part of the emitted text,
resulting in distrusted metadata, and so an infinite loop. This change
makes sure the entire text is signed.

Change-type: patch
Connects-to: #577
Signed-off-by: Andrew Lucas <00956f40b2dff5f919e8c50001ed0e3239d3f23e@resin.io>

resin-io-modules/resin-procbots,resin-io-modules/resin-procbots,resin-io-modules/resin-procbots