Upgrade nan for Node 21

[szegedi]

Updates the nan dependency for Node 21

[github-actions]

Overall package size

Self size: 7.3 MB
Deduped: 8.15 MB
No deduping: 8.15 MB

Dependency sizes

name	version	self size	total size
pprof-format	2.0.7	588.12 kB	588.12 kB
source-map	0.7.4	226 kB	226 kB
p-limit	3.1.0	7.75 kB	13.78 kB
delay	5.0.0	11.17 kB	11.17 kB
node-gyp-build	3.9.0	8.81 kB	8.81 kB

_{🤖 This report was automatically generated by heaviest-objects-in-the-universe}

[pr-commenter]

Benchmarks

Benchmark execution time: 2023-10-20 15:35:22

Comparing candidate commit ed3749e in PR branch szegedi/node-21 with baseline commit 51c620c in branch main.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 58 metrics, 32 unstable metrics.