release: Update package.xml version to 3.11.0

10 jobs for master in 1 minute and 47 seconds (queued for 5 seconds)
Status Name Job ID Coverage
  Test
passed doc-coverage #130891

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passed format #130892

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passed robotpkg-example-robot-data-18.04 #130883

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passed robotpkg-example-robot-data-20.04 #130884

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passed robotpkg-example-robot-data-buster #130885

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passed robotpkg-example-robot-data-ferrum #130886

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passed robotpkg-py-example-robot-data-18.04 #130887

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passed robotpkg-py-example-robot-data-20.04 #130888

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passed robotpkg-py-example-robot-data-buster #130889

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passed robotpkg-py-example-robot-data-ferrum #130890

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