Update registry.access.redhat.com/ubi8/go-toolset:1.21 Docker digest to 4ec05fd (#448)

Signed-off-by: konflux-internal-p02 <170854209+konflux-internal-p02[bot]@users.noreply.github.com>
Co-authored-by: konflux-internal-p02[bot] <170854209+konflux-internal-p02[bot]@users.noreply.github.com>

Author: konflux-internal-p02[bot]

Dockerfile.konflux

@@ -1,7 +1,7 @@
 # Build arguments
 ARG SOURCE_CODE=.
 
-FROM registry.access.redhat.com/ubi8/go-toolset:1.21@sha256:742ae6ec1aef3e7faae488c47695fb64964d342aefecf52d23bd9d5e6731d0b6 AS builder
+FROM registry.access.redhat.com/ubi8/go-toolset:1.21@sha256:4ec05fd5b355106cc0d990021a05b71bbfb9231e4f5bdc0c5316515edf6a1c96 AS builder
 
 WORKDIR /workspace