Bump golang from 1.18 to 1.19 in /build (#285)

* Bump golang from 1.18 to 1.19.0 in /build

Bumps golang from 1.18 to 1.19.0.

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

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

* Update Dockerfile

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Luca Comellini <luca.com@gmail.com>

Author: dependabot[bot]

build/Dockerfile

@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1.4
-FROM golang:1.18 as base
+FROM golang:1.19 as base
 ARG VERSION
 ARG TARGETARCH