Kevin Subileau

ColorThief.getPalette sometimes returns 256 for channels

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Hello ! With some particular images, the getPalette method may return a value greater than 255 on certain channels. For example, if you run the demo.html file provided in [this...

APT source whitelist request for ppa:rwky/graphicsmagick

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Source: ``` ppa:rwky/graphicsmagick ``` The goal is to install Gmagick >=2.0.1RC1 for PHP 7.0.1, which requires GraphicsMagick >= 1.3.20. The default source installs only the version 1.3.12. ([example](https://travis-ci.org/ksubileau/color-thief-php/jobs/101427301#L186))

feat: ability to disable Prometheus scraping while keeping the metrics endpoint enabled

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### What does this PR do? Adds a `metrics.prometheus.scrape` value to be able to configure the value of the `prometheus.io/scrape` annotation, set it as true by default to keep existing...