fix(ci): bump a2ml/k9-validate-action pins off broken/stale SHAs (standards#85)

[hyperpolymath]

Bumps the canonical dogfood-gate.yml validate-action pins:

• a2ml-validate-action @86c6da6 (exit-127 crash) → @59145c7 — includes the exit-127 fix (a2ml#11) and the .machine_readable/ structural-identity fix (a2ml#12, merged).
• k9-validate-action @cfa7f92 → @2d96f43 — un-drift (not broken, just stale).

Closes the template-source half of standards#85 (estate drift sub-issue of #66). Consumers re-sync via the normal template-drift sweep. Surfaced via idaptik#77 / idaptik#87.

🤖 Generated with Claude Code

[github-actions]

🔍 Hypatia Security Scan

Findings: 16 issues detected

Severity	Count
🔴 Critical	0
🟠 High	7
🟡 Medium	9

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": "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/v3-templater/v3-templater/setup.sh",
    "action": "flag",
    "rule_module": "code_safety",
    "severity": "high"
  },
  {
    "reason": "Js.Dict deprecated -- use Dict (1 occurrences)",
    "type": "deprecated_api",
    "file": "/home/runner/work/v3-templater/v3-templater/src/utils/Escape.res",
    "action": "module_replace",
    "rule_module": "migration_rules",
    "severity": "high"
  },
  {
    "reason": "Js.Json deprecated -- use JSON (1 occurrences)",
    "type": "deprecated_api",
    "file": "/home/runner/work/v3-templater/v3-templater/src/utils/Escape.res",
    "action": "module_replace",
    "rule_module": "migration_rules",
    "severity": "medium"
  },
  {
    "reason": "Js.Dict deprecated -- use Dict (1 occurrences)",
    "type": "deprecated_api",
    "file": "/home/runner/work/v3-templater/v3-templater/src/Compiler.res",
    "action": "module_replace",
    "rule_module": "migration_rules",
    "severity": "high"
  },
  {
    "reason": "Js.Json deprecated -- use JSON (2 occurrences)",
    "type": "deprecated_api",
    "file": "/home/runner/work/v3-templater/v3-templater/src/Compiler.res",
    "action": "module_replace",
    "rule_module": "migration_rules",
    "severity": "medium"
  },
  {
    "reason": "Js.Dict deprecated -- use Dict (1 occurrences)",
    "type": "deprecated_api",
    "file": "/home/runner/work/v3-templater/v3-templater/src/Runtime.res",
    "action": "module_replace",
    "rule_module": "migration_rules",
    "severity": "high"
  },
  {
    "reason": "Js.Json deprecated -- use JSON (6 occurrences)",
    "type": "deprecated_api",
    "file": "/home/runner/work/v3-templater/v3-templater/src/Runtime.res",
    "action": "module_replace",
    "rule_module": "migration_rules",
    "severity": "medium"
  }
]

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