fix(deps): update github.com/openshift/imagebuilder digest to e87e4e1

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

vendor/github.com/openshift/imagebuilder/.travis.yml

@@ -1,17 +1,23 @@
 language: go
 
+os: linux
+
+arch:
+  - amd64
+  - arm64
+
 dist: jammy
 
 services:
   - docker
 
 go:
-  - "1.21.13"
+  - "1.22.12"
 
 before_install:
   - sudo systemctl stop docker.service && sudo systemctl stop docker.socket
   - curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
-  - yes | sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
+  - yes | sudo add-apt-repository "deb [arch=${TRAVIS_CPU_ARCH}] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
   - sudo apt-get update -q -y
   - sudo apt-get -y -o Dpkg::Options::="--force-confnew" install docker-ce
   - sudo systemctl enable --now docker.service && sudo systemctl enable --now docker.socket