Update cross-references for BCR suite renumbering

Related BCRs section updated to reflect new numbering:
- BCR-2026-004: Signing Event Attestations (was 006)
- BCR-2026-006: Principal Authority (was 007)
- BCR-2026-011: Anchor Predicates (was 004)

Signed-off-by: Christopher Allen <ChristopherA@LifeWithAlacrity.com>

Author: ChristopherA

papers/bcr-2026-005-general-assertions.md

@@ -294,11 +294,11 @@ The presence of transparency predicates (`disclosedBias`, `disclosedLimitations`
 
 This BCR provides foundational predicates used by:
 
-- **BCR-2026-006: Signature Context Predicates** — Signing capacity and delegation
-- **BCR-2026-007: Principal Authority Predicates** — Authority relationships (principal, delegation, scope)
-- **BCR-2026-008: CreativeWork Role Predicates** — Contribution roles (Author, Editor, etc.)
-- **BCR-2026-010: Fair Witness Predicates** — Neutral observer attestations (references `disclosedBias`, `disclosedLimitations`)
-- **BCR-2026-011: Peer Endorsement Predicates** — Peer-to-peer trust building (references transparency predicates)
+- **BCR-2026-004: Signing Event Attestations** — Signing capacity and delegation
+- **BCR-2026-006: Principal Authority Predicates** — Authority relationships (principal, delegation, scope)
+- **BCR-2026-007: CreativeWork Role Predicates** — Contribution roles (Author, Editor, etc.)
+- **BCR-2026-009: Fair Witness Predicates** — Neutral observer attestations (references `disclosedBias`, `disclosedLimitations`)
+- **BCR-2026-010: Peer Endorsement Predicates** — Peer-to-peer trust building (references transparency predicates)
 
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