Update Rust crate scc to v3

[hash-worker]

This PR contains the following updates:

Package	Type	Update	Change
scc	workspace.dependencies	major	2.4.0 -> 3.0.0

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 60.85%. Comparing base (d7281e6) to head (716a0cd).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #8131   +/-   ##
=======================================
  Coverage   60.85%   60.85%           
=======================================
  Files        1249     1249           
  Lines      122018   122018           
  Branches     5331     5331           
=======================================
  Hits        74250    74250           
  Misses      46896    46896           
  Partials      872      872           

Flag	Coverage Δ
apps.hash-ai-worker-ts	1.40% <ø> (ø)
apps.hash-api	0.00% <ø> (ø)
blockprotocol.type-system	40.84% <ø> (ø)
local.claude-hooks	0.00% <ø> (ø)
local.harpc-client	51.24% <ø> (ø)
local.hash-graph-sdk	7.78% <ø> (ø)
local.hash-isomorphic-utils	0.00% <ø> (ø)
rust.antsi	0.00% <ø> (ø)
rust.error-stack	90.88% <ø> (ø)
rust.harpc-codec	84.70% <ø> (ø)
rust.harpc-types	0.00% <ø> (ø)
rust.harpc-wire-protocol	92.23% <ø> (ø)
rust.hash-codec	72.76% <ø> (ø)
rust.hash-graph-authorization	62.34% <ø> (ø)
rust.hash-graph-postgres-store	26.80% <ø> (ø)
rust.hash-graph-store	37.86% <ø> (ø)
rust.hash-graph-temporal-versioning	47.95% <ø> (ø)
rust.hash-graph-types	0.00% <ø> (ø)
rust.hash-graph-validation	83.45% <ø> (ø)
rust.hashql-ast	87.25% <ø> (ø)
rust.hashql-compiletest	46.65% <ø> (ø)
rust.hashql-core	81.75% <ø> (ø)
rust.hashql-diagnostics	72.43% <ø> (ø)
rust.hashql-eval	68.54% <ø> (ø)
rust.hashql-hir	89.10% <ø> (ø)
rust.hashql-mir	89.51% <ø> (ø)
rust.hashql-syntax-jexpr	94.05% <ø> (ø)

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[cursor]

PR Summary

Medium Risk
Major-version dependency upgrade for a concurrency container crate plus broad lockfile churn; may introduce behavioral/performance changes or platform-specific build issues despite no direct code changes.

Overview
Updates the workspace dependency on scc from 2.4.0 to 3.0.0.

Refreshes Cargo.lock accordingly, including upgrading scc/sdd, introducing the new saa transitive dependency, and shifting several other transitive versions (notably socket2 and multiple windows-sys references).

^{Written by Cursor Bugbot for commit 716a0cd. This will update automatically on new commits. Configure here.}