Update registry.redhat.io/ubi9/go-toolset:9.7 Docker digest to a904b7f

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

Author: red-hat-konflux[bot]

Dockerfile.backfill-redis.rh

@@ -1,6 +1,6 @@
 # Build stage
 
-FROM registry.redhat.io/ubi9/go-toolset:9.7@sha256:20b655db80d929d3a3828947d718746f0aee3159c86620df330e58cbf954970e AS build-env
+FROM registry.redhat.io/ubi9/go-toolset:9.7@sha256:a904b7fdbf0b53c5afba187215f9cb03971a369c6a4c4b543ea2f96fda272c9c AS build-env
 
 ENV GOEXPERIMENT=strictfipsruntime
 ENV CGO_ENABLED=1

Dockerfile.rekor-server.rh

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM registry.redhat.io/ubi9/go-toolset:9.7@sha256:20b655db80d929d3a3828947d718746f0aee3159c86620df330e58cbf954970e AS build-env
+FROM registry.redhat.io/ubi9/go-toolset:9.7@sha256:a904b7fdbf0b53c5afba187215f9cb03971a369c6a4c4b543ea2f96fda272c9c AS build-env
 
 RUN mkdir -p /opt/app-root && mkdir -p /opt/app-root/src && mkdir -p /opt/app-root/src/cmd && mkdir -p /opt/app-root/src/pkg && git config --global --add safe.directory /opt/app-root/src