chore(deps): update registry.access.redhat.com/ubi9/go-toolset docker tag to v1.21.13

Signed-off-by: red-hat-konflux <126015336+red-hat-konflux[bot]@users.noreply.github.com>

Author: red-hat-konflux[bot]

Dockerfile

@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM registry.access.redhat.com/ubi9/go-toolset:1.20.10 as builder
+FROM registry.access.redhat.com/ubi9/go-toolset:1.21.13 as builder
 
 WORKDIR /workspace
 # Copy the Go Modules manifests