Update dependency into-stream to v8

Author: elastic-renovate-prod[bot]

package.json

@@ -68,7 +68,7 @@
     "chai": "5.1.2",
     "cross-zip": "4.0.1",
     "desm": "1.3.1",
-    "into-stream": "7.0.0",
+    "into-stream": "8.0.1",
     "js-yaml": "4.1.0",
     "license-checker": "25.0.1",
     "minimist": "1.2.8",