CI: retry CI twice on every type of failure

[sergejparity]

Sometimes CI fails due to ad hoc network issues like here https://gitlab.parity.io/parity/mirrors/wasmi/-/jobs/1940274 which can be fixed just by restarting job. And we have such setting in place - retry block, but for some reason GitLab fails to match above mentioned events to when rules runner_system_failure, unknown_failure, api_failure

This PR introduces functionality to make 2 additional attempts in case if CI job fails. Use default when: always implicitly.

[paritytech-cicd-pr]

BENCHMARKS

	NATIVE			WASMTIME
BENCHMARK	MASTER	PR	DIFF	MASTER	PR	DIFF	WASMTIME OVERHEAD
execute/ count_until	888.57µs	888.46µs	⚪ 0.03%	2.38ms	2.38ms	⚪ -0.09%	🔴 168%
execute/ factorial_iterative	400.65ns	400.76ns	⚪ 0.04%	996.17ns	992.28ns	⚪ -0.39%	🔴 148%
execute/ factorial_recursive	800.65ns	761.82ns	🟢 -4.86%	1.55µs	1.55µs	⚪ -0.13%	🔴 104%
execute/ fib_iterative	1.80ms	1.79ms	⚪ -0.10%	5.11ms	5.19ms	🔴 1.66%	🔴 190%
execute/ fib_recursive	6.90ms	6.80ms	🟢 -1.45%	14.42ms	14.03ms	🟢 -2.65%	🔴 106%
execute/ global_bump	1.43ms	1.43ms	⚪ 0.01%	3.64ms	3.63ms	⚪ -0.22%	🔴 153%
execute/ host_calls	32.93µs	31.83µs	⚪ -1.92%	45.06µs	45.00µs	⚪ -0.13%	🟢 41%
execute/ memory_fill	1.54ms	1.54ms	⚪ 0.03%	4.33ms	4.32ms	⚪ 0.00%	🔴 181%
execute/ memory_sum	1.52ms	1.52ms	⚪ 0.06%	4.36ms	4.36ms	⚪ -0.04%	🔴 187%
execute/ memory_vec_add	3.05ms	3.05ms	⚪ 0.08%	8.94ms	8.99ms	⚪ 0.21%	🔴 195%
execute/ recursive_is_even	1.30ms	1.29ms	⚪ -0.39%	2.61ms	2.53ms	🟢 -2.98%	🟡 96%
execute/ recursive_ok	173.96µs	173.64µs	⚪ -0.16%	348.90µs	348.57µs	⚪ -0.11%	🔴 101%
execute/ recursive_scan	213.72µs	212.35µs	⚪ -0.31%	455.10µs	451.12µs	⚪ -0.81%	🔴 112%
execute/ recursive_trap	17.38µs	17.35µs	⚪ -0.15%	35.97µs	34.91µs	🟢 -2.71%	🔴 101%
execute/ regex_redux	664.78µs	655.52µs	⚪ -1.29%	1.61ms	1.60ms	⚪ -0.80%	🔴 144%
execute/ rev_complement	601.64µs	592.87µs	🟢 -1.42%	1.55ms	1.55ms	⚪ 0.05%	🔴 162%
execute/ tiny_keccak	461.56µs	465.56µs	⚪ 0.66%	1.41ms	1.46ms	🔴 4.24%	🔴 215%
execute/ trunc_f2i	1.13ms	1.07ms	⚪ -2.30%	2.72ms	2.72ms	⚪ 0.11%	🔴 154%
instantiate/ wasm_kernel	69.59µs	71.78µs	⚪ 2.87%	127.22µs	95.79µs	🟢 -24.75%	🟢 33%
translate/ wasm_kernel	4.95ms	5.00ms	⚪ -0.03%	9.35ms	9.42ms	⚪ 0.91%	🟡 88%

Link to pipeline

[codecov-commenter]

Codecov Report

Merging #509 (4e6a3b9) into master (21e12da) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #509   +/-   ##
=======================================
  Coverage   79.23%   79.23%           
=======================================
  Files          74       74           
  Lines        6313     6313           
=======================================
  Hits         5002     5002           
  Misses       1311     1311           

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