Update dependency brick/varexporter to ^0.4.0

| datasource | package           | from  | to    |
| ---------- | ----------------- | ----- | ----- |
| packagist  | brick/varexporter | 0.3.8 | 0.4.0 |


Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

composer.json

@@ -44,7 +44,7 @@
         "webmozart/assert": "^1.9"
     },
     "require-dev": {
-        "brick/varexporter": "^0.3.7",
+        "brick/varexporter": "^0.4.0",
         "laminas/laminas-coding-standard": "^2.4",
         "laminas/laminas-diactoros": "^2.22",
         "laminas/laminas-router": "^3.10",