Update golang Docker tag to v1.23.6

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

Author: red-hat-konflux[bot]

integration/Dockerfile

@@ -1,6 +1,6 @@
 # This Dockerfile builds a base image for the certificate-transparency-go CloudBuild integration testing.
 # See https://hub.docker.com/_/golang for the set of golang base images.
-FROM golang:1.23.3-bookworm@sha256:3f3b9daa3de608f3e869cd2ff8baf21555cf0fca9fd34251b8f340f9b7c30ec5 as ct_testbase
+FROM golang:1.23.6-bookworm@sha256:441f59f8a2104b99320e1f5aaf59a81baabbc36c81f4e792d5715ef09dd29355 as ct_testbase
 
 WORKDIR /testbase
 

internal/witness/cmd/feeder/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.23.3-bookworm@sha256:3f3b9daa3de608f3e869cd2ff8baf21555cf0fca9fd34251b8f340f9b7c30ec5 as builder
+FROM golang:1.23.6-bookworm@sha256:441f59f8a2104b99320e1f5aaf59a81baabbc36c81f4e792d5715ef09dd29355 as builder
 
 ARG GOFLAGS=""
 ENV GOFLAGS=$GOFLAGS

internal/witness/cmd/witness/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.23.3-bookworm@sha256:3f3b9daa3de608f3e869cd2ff8baf21555cf0fca9fd34251b8f340f9b7c30ec5 AS builder
+FROM golang:1.23.6-bookworm@sha256:441f59f8a2104b99320e1f5aaf59a81baabbc36c81f4e792d5715ef09dd29355 AS builder
 
 ARG GOFLAGS=""
 ENV GOFLAGS=$GOFLAGS
@@ -18,7 +18,7 @@ COPY . .
 RUN go build -o /build/bin/witness ./internal/witness/cmd/witness
 
 # Build release image
-FROM golang:1.23.3-bookworm@sha256:3f3b9daa3de608f3e869cd2ff8baf21555cf0fca9fd34251b8f340f9b7c30ec5
+FROM golang:1.23.6-bookworm@sha256:441f59f8a2104b99320e1f5aaf59a81baabbc36c81f4e792d5715ef09dd29355
 
 COPY --from=builder /build/bin/witness /bin/witness
 ENTRYPOINT ["/bin/witness"]