Merge branch 'fix-auto-upgrade' into 'master'

Fix auto upgrade

See merge request !31
11 jobs for 5.2.1 in 5 minutes and 44 seconds
Status Job ID Name Coverage
  Build
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build-package-rel-deb

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build-package-rel-rpm

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job-advanced

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job-minimal

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job-test-services-mysql

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job-test-services-postgres

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job-with-before-after-script

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  Test
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job-test-deps

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test-package-deb-rel-ubuntu-14.04

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test-package-deb-rel-ubuntu-18.04

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test-package-rpm-rel-fedora-27

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