Version 0.12.7

ADD #1178: Reduce precision if dataset is too large for given memory limit.
ADD #1179: Improve Auto-sklearn 2.0 meta-data by providing new meta-data for the metrics roc_auc and logloss.
DOC: Fix reference to arXiv paper
MAINT #1134,#1142,#1143: Improvements to the stale bot - the stale bot now marks issues labeled with feedback required as stale if there is nothing happening for 30 days. After another 7 days it then closes the issue.
MAINT: Added a new issue template for questions.
MAINT #1168: Upper-bound scipy to 1.6.3 as 1.7.0 is incompatible with SMAC.
MAINT #1173: Update the license files to be recognized by github.

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