WIP: feat: aggregate-timings-from-log subcmd.

TODO: Move from current incorrect flow to:

```
not_running_test -|test_start|-> running_test
	* TEST-START | <test_path>

running_test -|test_end_with_ok_or_crash|-> not_running_test
	* TEST-OK | <test_path> | took <duration>ms
	* TEST-CRASH | <test_path> | took <duration>ms
	* TEST-KNOWN-INTERMITTENT-CRASH | <test_path> | took <duration>ms

running_test -|test_end_with_unexpected_crash|-> ending_test
	* TEST-UNEXPECTED-CRASH | <test_path> | took <duration>ms
	* TEST-UNEXPECTED-CRASH | <test_path> | expected <outcome>
	  TEST-INFO expected <outcome> | took <duration>ms

ending_test -|subtest_unexpected|-> not_running_test
	* TEST-UNEXPECTED-PASS | <test_path> | <subtest> | expected <outcome>
	  TEST-INFO | expected <outcome>
	* TEST-UNEXPECTED-FAIL | <test_path> | <subtest> - <msg>

running_test -|subtest_pass_or_fail|-> running_test
	# N.B., a trailing space!
	* TEST-PASS | <test_path> | <subtest> 
	* TEST-FAIL | <test_path> | <subtest> - <msg>

# Timeouts

running_test -|subtest_timeout|-> ending_test_with_timeout

ending_test_with_timeout -|subtest_notrun|-> ending_test_with_timeout
	* TEST-UNEXPECTED-NOTRUN | <test_path | <subtest> - expected PASS
	* TEST-UNEXPECTED-NOTRUN | <test_path | <subtest> - expected FAIL
	  TEST-INFO | expected FAIL
	* TEST-KNOWN-INTERMITTENT-NOTRUN | <test_path> | <subtest>
	* TEST-UNEXPECTED-NOTRUN | <test_path> | <subtest> [msg]

ending_test_with_timeout -|test_end_with_expected_timeout|-> not_running_test
	* TEST-TIMEOUT | <test_path> | took <duration>ms

ending_test_with_timeout -|test_end_with_unexpected_timeout|-> not_running_test
	* TEST-UNEXPECTED-TIMEOUT | <test_path> | took <duration>ms
	  TEST-INFO took <duration>ms
```

TEST-UNEXPECTED

Author: ErichDonGubler

Cargo.lock

@@ -18,7 +18,9 @@ license = false
 eula = false
 
 [dependencies]
+anyhow = "1.0.95"
 camino = { version = "1.1.6", features = ["serde1"] }
+chrono = "0.4.38"
 clap = { version = "4.4.2", features = ["derive"] }
 enum-map = { version = "2.7.3", features = ["serde"] }
 enumset = { version = "1.1.3", features = ["serde"] }