fix(redirection): allow continuing past redir errors

[reubeno]

Redirection failure is an error that will cause the command to fail, but subsequent commands in a compound command, say, should be executed normally.

Resolves #341.

[github-actions]

Test Results

    2 files      9 suites   1m 48s ⏱️
  669 tests   669 ✅ 0 💤 0 ❌
1 324 runs  1 324 ✅ 0 💤 0 ❌

Results for commit 0395611.

♻️ This comment has been updated with latest results.

[github-actions]

Performance Benchmark Report

Benchmark name	Baseline (μs)	Test/PR (μs)	Delta (μs)	Delta %
clone_shell_object	18.16 μs	18.38 μs	0.22 μs	🟠 +1.21%
eval_arithmetic	0.17 μs	0.17 μs	-0.00 μs	⚪ Unchanged
expand_one_string	1.94 μs	1.95 μs	0.01 μs	⚪ Unchanged
for_loop	22.08 μs	22.61 μs	0.52 μs	🟠 +2.37%
function_call	2.59 μs	2.83 μs	0.24 μs	⚪ Unchanged
instantiate_shell	57.36 μs	57.05 μs	-0.31 μs	⚪ Unchanged
instantiate_shell_with_init_scripts	23881.84 μs	24572.13 μs	690.30 μs	⚪ Unchanged
parse_bash_completion	1672.68 μs	1840.33 μs	167.65 μs	🟠 +10.02%
parse_sample_script	1.74 μs	1.74 μs	0.00 μs	⚪ Unchanged
run_echo_builtin_command	15.91 μs	15.54 μs	-0.37 μs	⚪ Unchanged
run_one_external_command	2205.13 μs	2457.86 μs	252.73 μs	🟠 +11.46%
tokenize_sample_script	2.77 μs	2.88 μs	0.10 μs	🟠 +3.78%

Code Coverage Report: Only Changed Files listed

Package	Base Coverage	New Coverage	Difference
brush-core/src/builtins/mapfile.rs	🟢 76.6%	🟢 76.84%	🟢 0.24%
brush-core/src/builtins/read.rs	🟠 66.87%	🟠 66.47%	🔴 -0.4%
brush-core/src/commands.rs	🟢 87.21%	🟢 86.97%	🔴 -0.24%
brush-core/src/interp.rs	🟢 91.58%	🟢 91.68%	🟢 0.1%
brush-core/src/jobs.rs	🔴 37.07%	🔴 43.1%	🟢 6.03%
Overall Coverage	🟢 77.89%	🟢 77.98%	🟢 0.09%

Minimum allowed coverage is 70%, this run produced 77.98%