fix(ci): drop invalid timeout-minutes from reusable-workflow calls (parse-dead)

[hyperpolymath]

What

One or more jobs set a job-level timeout-minutes: on a job that calls a reusable workflow via uses:. GitHub does not permit that key on a workflow_call job, so it rejected the file at parse time — the workflow failed instantly (0s) on every push and never ran a single job.

Fix

Remove the invalid caller-side timeout-minutes:. The standards *-reusable.yml workflows already declare timeout-minutes on every internal job, so the caller key was redundant as well as invalid.

Verification

actionlint (real tool): no timeout-minutes is not available findings remain.

Context

Estate-wide shared-fate CI defect across 84 repos. Reference fix: hyperpolymath/gitbot-fleet#374.

🤖 Generated with Claude Code

[github-actions]

🔍 Hypatia Security Scan

Findings: 6 issues detected

Severity	Count
🔴 Critical	0
🟠 High	3
🟡 Medium	3

View findings

[
  {
    "reason": "No test directory or test files found",
    "type": "no_tests",
    "file": "/home/runner/work/echo-types/echo-types",
    "action": "flag",
    "rule_module": "honest_completion",
    "severity": "high",
    "deduction": 20
  },
  {
    "reason": "Issue in push-email-notify.yml",
    "type": "missing_timeout_minutes",
    "file": "push-email-notify.yml",
    "action": "flag",
    "rule_module": "workflow_audit",
    "severity": "medium"
  },
  {
    "reason": "Code scanning (Hypatia): hypatia/workflow_audit/missing_timeout_minutes -- Hypatia workflow_audit: missing_timeout_minutes -- 22 day(s) old",
    "type": "CSA001",
    "file": "push-email-notify.yml",
    "action": "review",
    "rule_module": "code_scanning_alerts",
    "severity": "medium"
  },
  {
    "reason": "Code scanning (Scorecard): TokenPermissionsID -- Token-Permissions -- 45 day(s) old [STALE]",
    "type": "CSA001",
    "file": ".github/workflows/scorecard.yml",
    "action": "escalate",
    "rule_module": "code_scanning_alerts",
    "severity": "high"
  },
  {
    "reason": "Code-scanning alert TokenPermissionsID (high) at .github/workflows/scorecard.yml is 45 days old (threshold: 7 days) -- overdue for remediation",
    "type": "CSA003",
    "file": ".github/workflows/scorecard.yml",
    "action": "escalate",
    "rule_module": "code_scanning_alerts",
    "severity": "high"
  },
  {
    "reason": "Code-scanning alert hypatia/code_safety/agda_postulate dismissed as 'false positive' -- ensure dismissal is documented and justified",
    "type": "CSA004",
    "file": "proofs/agda/EchoImageFactorizationPropPostulated.agda",
    "action": "review",
    "rule_module": "code_scanning_alerts",
    "severity": "medium"
  }
]

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