Bump golang from c416cee to 19600fd (#484)

Bumps golang from `c416cee` to `19600fd`.

---
updated-dependencies:
- dependency-name: golang
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Dockerfile

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM golang:1.21.1@sha256:c416ceeec1cdf037b80baef1ccb402c230ab83a9134b34c0902c542eb4539c82 AS builder
+FROM golang:1.21.1@sha256:19600fdcae402165dcdab18cb9649540bde6be7274dedb5d205b2f84029fe909 AS builder
 ENV APP_ROOT=/opt/app-root
 ENV GOPATH=$APP_ROOT
 
@@ -29,7 +29,7 @@ RUN go build -ldflags "${SERVER_LDFLAGS}" ./cmd/timestamp-server
 RUN CGO_ENABLED=0 go build -gcflags "all=-N -l" -ldflags "${SERVER_LDFLAGS}" -o timestamp-server_debug ./cmd/timestamp-server
 
 # Multi-Stage production build
-FROM golang:1.21.1@sha256:c416ceeec1cdf037b80baef1ccb402c230ab83a9134b34c0902c542eb4539c82 as deploy
+FROM golang:1.21.1@sha256:19600fdcae402165dcdab18cb9649540bde6be7274dedb5d205b2f84029fe909 as deploy
 
 # Retrieve the binary from the previous stage
 COPY --from=builder /opt/app-root/src/timestamp-server /usr/local/bin/timestamp-server