Testing framework: add steps bound

changelog/1632148866

src/bin/cli.ml

src/bin/expect_tests/ligo_interpreter_tests.ml

src/bin/old_cli.ml

src/main/api/run.ml

src/main/interpreter/interpreter.ml

src/main/interpreter/interpreter.mli

...racts/negative/interpreter_tests/test_mutation_loop.mligo

src/test/md_file_tests.ml