CI: Wrap benchmark name to reduce horizontal size of the report table

[sergejparity]

Closes #488

Squeezes benchmark report table horizontally by wrapping benchmark name

[paritytech-cicd-pr]

BENCHMARKS

	NATIVE			WASMTIME
BENCHMARK	MASTER	PR	DIFF	MASTER	PR	DIFF	WASMTIME OVERHEAD
execute/ count_until	2.06ms	2.05ms	⚪ -0.33%	9.03ms	9.04ms	⚪ -0.03%	🔴 342%
execute/ factorial_iterative	1.52µs	1.53µs	⚪ 0.25%	3.27µs	3.21µs	🟢 -1.85%	🔴 110%
execute/ factorial_recursive	2.08µs	2.10µs	⚪ 0.71%	4.19µs	4.19µs	⚪ 0.07%	🟡 100%
execute/ fib_iterative	9.86ms	11.87ms	🔴 19.15%	15.70ms	15.69ms	⚪ 0.00%	🟢 32%
execute/ fib_recursive	18.44ms	18.81ms	🔴 2.51%	38.88ms	38.72ms	⚪ -0.48%	🔴 106%
execute/ global_bump	3.52ms	3.52ms	⚪ -0.04%	12.83ms	12.92ms	⚪ 0.54%	🔴 267%
execute/ host_calls	33.04µs	33.08µs	⚪ 0.47%	109.11µs	108.43µs	⚪ -0.72%	🔴 228%
execute/ memory_fill	8.23ms	8.22ms	⚪ -0.01%	14.80ms	14.52ms	🟢 -1.94%	🟡 77%
execute/ memory_sum	7.86ms	7.87ms	⚪ 0.05%	14.88ms	14.84ms	⚪ -0.40%	🟡 89%
execute/ memory_vec_add	14.96ms	14.83ms	⚪ -0.55%	29.93ms	30.02ms	⚪ 0.29%	🔴 102%
execute/ recursive_is_even	2.65ms	2.65ms	⚪ 0.00%	6.58ms	6.53ms	⚪ -0.67%	🔴 146%
execute/ recursive_ok	385.81µs	392.83µs	🔴 1.54%	919.91µs	912.77µs	⚪ -0.71%	🔴 132%
execute/ recursive_scan	492.17µs	535.46µs	🔴 8.81%	1.29ms	1.28ms	⚪ -0.28%	🔴 140%
execute/ recursive_trap	38.39µs	39.41µs	🔴 2.83%	95.54µs	95.11µs	⚪ -0.50%	🔴 141%
execute/ regex_redux	3.38ms	3.38ms	⚪ 0.08%	4.99ms	4.99ms	⚪ 0.00%	🟢 48%
execute/ rev_complement	3.00ms	3.05ms	🔴 1.45%	4.82ms	4.81ms	⚪ -0.03%	🟡 58%
execute/ tiny_keccak	2.62ms	2.63ms	⚪ 0.30%	4.13ms	4.13ms	⚪ -0.17%	🟡 57%
execute/ trunc_f2i	3.52ms	3.63ms	🔴 3.04%	9.29ms	9.25ms	⚪ -0.49%	🔴 155%
instantiate/ wasm_kernel	78.29µs	77.91µs	⚪ 0.37%	106.24µs	138.29µs	🔴 30.20%	🟡 78%
translate/ wasm_kernel	6.06ms	6.05ms	⚪ -0.34%	12.16ms	12.06ms	⚪ -0.64%	🟡 99%

Link to pipeline

[Robbepop]

LGTM