docs(changelog): correct defi-cli test count after re-running pnpm test

Actual `pnpm test` totals on main:
  - defi-core:      49 (matches)
  - defi-protocols: 147 (matches)
  - defi-cli:       235 (CHANGELOG said 220 — understated by 15)
  - total:          431 (CHANGELOG said 416)

Updates the Tests table + the headline (+230, +114.4%) to match the
measured numbers. No code change.

Author: Hiksang

CHANGELOG.md

@@ -73,14 +73,14 @@ the next release, move these entries under a versioned heading.
 
 ### Tests
 
-Total monorepo tests went from **201** (session baseline) to **416** (+215,
-+106.9%):
+Total monorepo tests went from **201** (session baseline) to **431** (+230,
++114.4%):
 
 | Package           | Tests (baseline → current) |
 |-------------------|----------------------------|
 | `defi-core`       | 32 → 49 (+17)              |
 | `defi-protocols`  | 63 → 147 (+84)             |
-| `defi-cli`        | 106 → 220 (+114)           |
+| `defi-cli`        | 106 → 235 (+129)           |
 
 Notable per-file coverage jumps: