tx-generator: new executable calibrate-script

Author: mgmeier

bench/tx-generator/CHANGELOG.md

@@ -4,6 +4,7 @@
 
 * A new cabal flag `withplutuslib` is added, enabling import and re-compilation of Plutus scripts from `plutus-scripts-bench` - default: false; use for dev/test of new benchmarks only.
 * Port `ProtocolParameters` type and typeclass instances from `cardano-api` into new module `Cardano.Api.Internal`, removing dependency on the deprecated API type.
+* A new executable `calibrate-script` which is a tool aimed at auto-calibrating Plutus benchmarking scripts to best fit scaled execution budgets and provides developer-friendly CSV reports of the process.
 * Bump for Node 10.3
 
 ## 2.14.2 -- Oct 2024