Bulk: all for indicator-bollinger #184

Job	Run time
build-matrix	6s
preview	2s
generate (indicator-bollinger, seaborn)	6s
generate (indicator-bollinger, bokeh)	8s
generate (indicator-bollinger, matplotlib)	6s
generate (indicator-bollinger, plotly)	7s
generate (indicator-bollinger, pygal)	5s
generate (indicator-bollinger, letsplot)	7s
generate (indicator-bollinger, altair)	6s
generate (indicator-bollinger, highcharts)	7s
generate (indicator-bollinger, plotnine)	7s
summary	3s
	1m 10s

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