[CI] Add a configuration to build and run the benchmarks

Summary: As per title.

Test Plan:

ABC_BUILD_NAME=build-bench ./contrib/teamcity/build-configurations.sh

Reviewers: #bitcoin_abc, deadalnix, jasonbcox

Reviewed By: #bitcoin_abc, jasonbcox

Differential Revision: https://reviews.bitcoinabc.org/D4924