chore(deps): update dependency @semantic-release/exec to v7

Author: renovate[bot]

package-lock.json

@@ -44,7 +44,7 @@
     "@adobe/fetch": "4.1.11",
     "@cloudflare/workers-types": "4.20250124.3",
     "@semantic-release/changelog": "6.0.3",
-    "@semantic-release/exec": "6.0.3",
+    "@semantic-release/exec": "7.0.3",
     "@semantic-release/git": "10.0.1",
     "c8": "10.1.3",
     "dotenv": "16.4.7",