v0.9.12

MathOptInterface v0.9.12

Diff since v0.9.11

Closed issues:

• Add option to make MOIU.@model and AbstractOptimizer (#1030)
• Multiple Results with MockOptimizer (#1036)
• VariablePrimal(N) maybe should be result_index instead of N (#1038)

Merged pull requests:

• Update test template with instantiate (#1032) (@blegat)
• Bump BenchmarkTools version (#1034) (@ericphanson)
• Add CompatHelper (#1035) (@ericphanson)
• [MOF] fix writing NLPBlock (#1037) (@odow)
• Fix MockOptimizer for nonone result index (#1039) (@blegat)