Bump golang from 1.22.6-bookworm to 1.23.3-bookworm

Bumps golang from 1.22.6-bookworm to 1.23.3-bookworm.

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

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

Dockerfile

@@ -1,6 +1,6 @@
 # Originally modified from the main Cloud Run documentation
 
-FROM golang:1.22.6-bookworm@sha256:f020456572fc292e9627b3fb435c6de5dfb8020fbcef1fd7b65dd092c0ac56bb AS builder
+FROM golang:1.23.3-bookworm@sha256:0e3377d7a71c1fcb31cdc3215292712e83baec44e4792aeaa75e503cfcae16ec AS builder
 
 # Create and change to the app directory.
 WORKDIR /app