Update libbuildpack (#908)

Author: ari-wg-gitbot

go.mod

@@ -5,7 +5,7 @@ go 1.23.4
 require (
 	github.com/Dynatrace/libbuildpack-dynatrace v1.9.0
 	github.com/Masterminds/semver v1.5.0
-	github.com/cloudfoundry/libbuildpack v0.0.0-20260306121953-8ab9253c8181
+	github.com/cloudfoundry/libbuildpack v0.0.0-20260415084012-70e599bbe72c
 	github.com/cloudfoundry/switchblade v0.9.5
 	github.com/golang/mock v1.6.0
 	github.com/onsi/ginkgo/v2 v2.22.1

go.sum

@@ -478,8 +478,8 @@ github.com/circonus-labs/circonus-gometrics v2.3.1+incompatible/go.mod h1:nmEj6D
 github.com/circonus-labs/circonusllhist v0.1.3/go.mod h1:kMXHVDlOchFAehlya5ePtbp5jckzBHf4XRpQvBOLI+I=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cloudflare/circl v1.1.0/go.mod h1:prBCrKB9DV4poKZY1l9zBXg2QJY7mvgRvtMxxK7fi4I=
-github.com/cloudfoundry/libbuildpack v0.0.0-20260306121953-8ab9253c8181 h1:di63teVid/uT+6TAqBSXFqxNM3sAbxk6hssYppZBvbw=
-github.com/cloudfoundry/libbuildpack v0.0.0-20260306121953-8ab9253c8181/go.mod h1:Qtj1XicpoDn88w2cvVCYtw1Whq+kK3bouin0xNZ9lIU=
+github.com/cloudfoundry/libbuildpack v0.0.0-20260415084012-70e599bbe72c h1:BMlBv4TunN2BTh8CgVL1Hf8iiKCCIk5eD64Dg9fU4GM=
+github.com/cloudfoundry/libbuildpack v0.0.0-20260415084012-70e599bbe72c/go.mod h1:Qtj1XicpoDn88w2cvVCYtw1Whq+kK3bouin0xNZ9lIU=
 github.com/cloudfoundry/switchblade v0.9.5 h1:GTga1Uu6kGOL+n1TRTHyZm170N5/B/ou6wU90MiKKys=
 github.com/cloudfoundry/switchblade v0.9.5/go.mod h1:hIEQdGAsuNnzlyQfsD5OIORt38weSBar6Wq5/JX6Omo=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=