chore(docker): bump golang from 1.20.2-alpine to 1.20.3-alpine

Bumps golang from 1.20.2-alpine to 1.20.3-alpine.

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

Signed-off-by: dependabot[bot] <support@github.com>

Dockerfile.devkit

@@ -19,7 +19,7 @@ FROM docker.io/golangci/golangci-lint:v1.52.2-alpine as golangci-lint
 FROM docker.io/hadolint/hadolint:2.12.0-alpine as hadolint
 FROM docker.io/vektra/mockery:v3.0 as mockery
 
-FROM docker.io/golang:1.20.2-alpine as builder
+FROM docker.io/golang:1.20.3-alpine as builder
 
 # NOTE(jkoelker) install the tools in the builder here to improve layer
 #                caching of the published devkit.
@@ -33,7 +33,7 @@ RUN mkdir -p /tools \
     && go install -v $(go list -f '{{ join .Imports " " }}' -tags=tools)
 
 # NOTE(jkoelker) From here we care about layers
-FROM docker.io/golang:1.20.2-alpine
+FROM docker.io/golang:1.20.3-alpine
 
 # NOTE(jkoelker) Ignore "Pin versions in apk add"
 # hadolint ignore=DL3018