fix(scripts): more complete commit message formatting

[nlf]

• switches from messageHeadline to message to avoid truncated commit messages
• instead of removing all instances of (#\d+) only removes those which we're adding our own link to
• wraps [email protected] type patterns in backticks

[npm-robot]

found 20 benchmarks with statistically significant performance improvements

• app-large: clean, lock-only, cache-only, cache-only:peer-deps, modules-only, no-lock, no-cache, no-modules, no-clean, no-clean:audit
• app-medium: clean, lock-only, cache-only, cache-only:peer-deps, modules-only, no-lock, no-cache, no-modules, no-clean, no-clean:audit

timing results

app-large	clean	lock-only	cache-only	cache-only peer-deps	modules-only	no-lock	no-cache	no-modules	no-clean	no-clean audit
npm@8	50.914 ±9.84	27.025 ±0.13	15.905 ±0.01	18.305 ±0.78	2.663 ±0.03	2.685 ±0.03	2.144 ±0.00	10.558 ±0.09	2.152 ±0.01	2.903 ±0.06
#4216	0.377 ±0.00	0.382 ±0.00	0.377 ±0.00	0.373 ±0.00	0.377 ±0.00	0.375 ±0.00	0.378 ±0.01	0.376 ±0.00	0.377 ±0.00	0.382 ±0.00

app-medium	clean	lock-only	cache-only	cache-only peer-deps	modules-only	no-lock	no-cache	no-modules	no-clean	no-clean audit
npm@8	34.326 ±1.30	21.059 ±0.04	11.894 ±0.13	12.649 ±0.50	2.464 ±0.02	2.443 ±0.02	2.181 ±0.01	7.951 ±0.03	2.048 ±0.01	2.600 ±0.13
#4216	0.376 ±0.00	0.380 ±0.00	0.378 ±0.00	0.380 ±0.01	0.375 ±0.00	0.378 ±0.00	0.381 ±0.00	0.402 ±0.02	0.380 ±0.00	0.379 ±0.00