Update go version to 1.20.9

dannawang0221 · dannawang0221 · commit 71c5f1d08580 · 2023-10-13T23:31:15.000Z
diff --git a/Dockerfile b/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM --platform=$BUILDPLATFORM golang:1.20.8 as builder
+FROM --platform=$BUILDPLATFORM golang:1.20.9 as builder
 
 ARG STAGINGVERSION
 ARG TARGETPLATFORM
