fix(deps): update dependency js-yaml to v5 (environment-matrix)

Author: renovate[bot]

environment-matrix/package.json

@@ -13,7 +13,7 @@
     "@actions/glob": "0.7.0",
     "@octokit/action": "8.0.4",
     "@octokit/plugin-retry": "8.1.0",
-    "js-yaml": "4.2.0",
+    "js-yaml": "5.2.0",
     "minimatch": "10.2.5",
     "zod": "4.4.3"
   },