bump Dockerfile

Author: damdo

Dockerfile

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # Build the manager binary
-FROM golang:1.21.10@sha256:45f2cab1eebfb90d214ab8ce896cefc320e5c8768b4b34bb402652d90c670875 as builder
+FROM golang:1.22.8@sha256:b274ff14d8eb9309b61b1a45333bf0559a554ebcf6732fa2012dbed9b01ea56f as builder
 WORKDIR /workspace
 
 # Run this with docker build --build_arg $(go env GOPROXY) to override the goproxy