Fix syntax in examples of 'duniter sync'

5 jobs for master in 9 minutes and 55 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #52055
build-job

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  Package
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redshift
package-job

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  Release
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redshift
release-job

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  Deploy
passed #52058
redshift
pages

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failed pages:deploy

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