update build image to gain arm64 support

On-behalf-of: @SAP [email protected]

Author: xrstf

.prow.yaml

@@ -7,7 +7,7 @@ presubmits:
       preset-goproxy: "true"
     spec:
       containers:
-        - image: ghcr.io/kcp-dev/infra/build:1.23.4-1
+        - image: ghcr.io/kcp-dev/infra/build:1.23.7-2
           command:
             - make
             - verify
@@ -20,7 +20,7 @@ presubmits:
       preset-goproxy: "true"
     spec:
       containers:
-        - image: ghcr.io/kcp-dev/infra/build:1.23.4-1
+        - image: ghcr.io/kcp-dev/infra/build:1.23.7-2
           command:
             - make
             - lint