🌱 Bump golang in /cron/internal/webhook

Bumps golang from `4b1fc02` to `6b3fa4b`.

---
updated-dependencies:
- dependency-name: golang
  dependency-type: direct:production
...

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

cron/internal/webhook/Dockerfile

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # golang:1.19
-FROM golang@sha256:4b1fc02d16fca272e5e6e6adc98396219b43ef663a377eef4a97e881d364393f AS base
+FROM golang@sha256:6b3fa4b908676231b50acbbc00e84d8cee9c6ce072b1175c0ff352c57d8a612f AS base
 WORKDIR /src
 ENV CGO_ENABLED=0
 COPY go.* ./