Update dependency paketo-buildpacks/npm-install to v1.9.4

Author: renovate[bot]

buildpack.toml

@@ -99,7 +99,7 @@ api = "0.7"
   [[order.group]]
     # renovate: depName=paketo-buildpacks/npm-install
     id = "paketo-buildpacks/npm-install"
-    version = "1.8.8"
+    version = "1.9.4"
 
   [[order.group]]
     # renovate: depName=paketo-buildpacks/node-run-script

package.toml

@@ -12,7 +12,7 @@
 
 [[dependencies]]
   # renovate: depName=paketo-buildpacks/npm-install
-  uri = "urn:cnb:registry:paketo-buildpacks/npm-install@1.8.8"
+  uri = "urn:cnb:registry:paketo-buildpacks/npm-install@1.9.4"
 
 [[dependencies]]
   # renovate: depName=paketo-buildpacks/npm-start