feat: enhance the solidity test artifacts discovery

[galargh]

• Because this PR includes a bug fix, relevant tests have been included.
• Because this PR includes a new feature, the change was previously discussed on an Issue or with someone from the team.
• I didn't do anything of this.

---

This PR makes the check whether an artifact is a test artifact more accurate. It implements the design described in https://www.notion.so/nomicfoundation/Test-Artifacts-Discovery-11f578cdeaf580bdb7e5c4268c5f248d

The base cases of the newly added isTestArtifact method have been tested using unit tests and manually.

It introduces 2 new dependencies:

• @nomicfoundation/slang - 2.6M - direct
• @bytecodealliance/preview2-shim - 524K - transitive

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Name	Status	Preview	Comments	Updated (UTC)
hardhat	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Oct 17, 2024 2:22pm

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Latest commit: b4dacbc

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[github-actions]

hardhat

Total size of the bundle: 53M
Total number of dependencies (including transitive): 52

List of dependencies (sorted by size)

49M	total
20M	esbuild
8.9M	solc
2.8M	@sentry/tracing
2.6M	@nomicfoundation/slang
1.9M	@noble/curves
1.7M	undici
1.2M	@sentry/types
1.2M	@noble/hashes
932K	@sentry/node
920K	@sentry/utils
824K	zod
732K	@ignored/hardhat-vnext-utils
576K	tsx
548K	@sentry/core
524K	@bytecodealliance/preview2-shim
504K	fast-equals
492K	@scure/bip39
464K	@ignored/edr
368K	ethereum-cryptography
344K	@sentry/hub
320K	enquirer
284K	semver
252K	@ignored/hardhat-vnext-errors
188K	commander
168K	@scure/base
136K	adm-zip
128K	get-tsconfig
96K	@scure/bip32
92K	chalk
88K	tslib
88K	@sentry/minimal
84K	js-sha3
76K	agent-base
72K	@nomicfoundation/solidity-analyzer
68K	debug
64K	lru_map
64K	https-proxy-agent
60K	@ignored/hardhat-vnext-zod-utils
56K	rfdc
56K	follow-redirects
48K	memorystream
48K	command-exists
48K	ansi-colors
44K	tmp
40K	resolve-pkg-maps
36K	p-map
32K	cookie
24K	strip-ansi
24K	env-paths
24K	ansi-regex
20K	os-tmpdir
20K	ms