chore(deps): bump nixpkgs from 2719819 to 4a29d73

[dependabot]

Bumps nixpkgs from 2719819 to 4a29d73.

Commits

• 4a29d73 gossip: fix vendored SDL2 build with current toolchain (#522283)
• 30343f4 typescript-go: 0-unstable-2026-05-12 -> 0-unstable-2026-05-20 (#522505)
• 61efd1f ledger-live-desktop: 4.2.2 -> 4.4.0 (#522486)
• f3a48f9 cwal: 0.8.5 -> 0.9.0 (#522367)
• 30a9cbb feishin: bump electron to 40 (#522301)
• 657e2fa staging-nixos merge for 2026-05-21 (#522532)
• eae2be7 nixos/security: warn if wrappers are disabled and wrappers are defined (#519464)
• 738de3a netbird: 0.71.2 -> 0.71.3 (#522521)
• 1a605b3 nixos/system-environment: Export PATH to systemd transient environment (#522477)
• 02a0b16 build-support/vm: fix unpopulated debsGrouped after structuredAttrs refacto...
• Additional commits viewable in compare view

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[github-actions]

🔍 Hypatia Security Scan

Findings: 12 issues detected

Severity	Count
🔴 Critical	0
🟠 High	4
🟡 Medium	8

View findings

[
  {
    "reason": "Issue in quality.yml",
    "type": "missing_workflow",
    "file": "quality.yml",
    "action": "create",
    "rule_module": "workflow_audit",
    "severity": "high"
  },
  {
    "reason": "Issue in security-policy.yml",
    "type": "missing_workflow",
    "file": "security-policy.yml",
    "action": "create",
    "rule_module": "workflow_audit",
    "severity": "medium"
  },
  {
    "reason": "Action hyperpolymath/standards/.github/workflows/governance-reusable.yml@main needs attention",
    "type": "unpinned_action",
    "file": "governance.yml",
    "action": "pin_sha",
    "rule_module": "workflow_audit",
    "severity": "high"
  },
  {
    "reason": "codeql.yml lists `language: javascript-typescript` but the repo has no source files in any CodeQL-scannable language. The analyze job will exit 'no source files' on every run. Switch the matrix to `actions` (which scans workflow files — every repo has those).",
    "type": "codeql_language_matrix_mismatch",
    "file": "codeql.yml",
    "action": "switch_codeql_matrix_to_actions",
    "rule_module": "workflow_audit",
    "severity": "high"
  },
  {
    "reason": "Download-and-execute pattern (curl|wget pipe to shell) -- verify integrity before execution (3 occurrences, CWE-494)",
    "type": "shell_download_then_run",
    "file": "/home/runner/work/ochrance/ochrance/setup.sh",
    "action": "flag",
    "rule_module": "code_safety",
    "severity": "high"
  },
  {
    "reason": "Nominal-only SAST in ochrance: codeql.yml language matrix contains no language present in the repo and lacks `actions`, so CodeQL records zero results on every commit. Remediation: set the CodeQL matrix to `language: actions`.",
    "type": "StaticAnalysis",
    "file": "/home/runner/work/ochrance/ochrance",
    "action": "auto_fix",
    "rule_module": "scorecard",
    "severity": "medium",
    "remediation": "Add CodeQL or equivalent SAST workflow.",
    "scorecard_check": "SAST"
  },
  {
    "reason": "Repository has 2 non-main remote branch(es). Policy: single main branch only.",
    "type": "GS007",
    "file": ".",
    "action": "delete_remote_branches",
    "rule_module": "git_state",
    "severity": "medium"
  },
  {
    "reason": "References STATE.scm -- should be .machine_readable/6a2/STATE.a2ml",
    "type": "SD007",
    "file": "0-AI-MANIFEST.a2ml",
    "action": "update_reference",
    "rule_module": "structural_drift",
    "severity": "medium"
  },
  {
    "reason": "References AGENTIC.scm -- should be .machine_readable/6a2/AGENTIC.a2ml",
    "type": "SD007",
    "file": "0-AI-MANIFEST.a2ml",
    "action": "update_reference",
    "rule_module": "structural_drift",
    "severity": "medium"
  },
  {
    "reason": "Source file missing SPDX-License-Identifier header",
    "type": "SD009",
    "file": "ffi/zig/test-ed25519-api.zig",
    "action": "add_spdx_header",
    "rule_module": "structural_drift",
    "severity": "medium"
  }
]

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