chore(deps): bump golang from 1.18.8 to 1.19.4

Bumps golang from 1.18.8 to 1.19.4.

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

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

Dockerfile

@@ -3,7 +3,7 @@ ARG DOCKER_GEN_VERSION=0.9.1
 ARG FOREGO_VERSION=v0.17.0
 
 # Use a specific version of golang to build both binaries
-FROM golang:1.18.8 as gobuilder
+FROM golang:1.19.4 as gobuilder
 
 # Build docker-gen from scratch
 FROM gobuilder as dockergen

Dockerfile.alpine

@@ -3,7 +3,7 @@ ARG DOCKER_GEN_VERSION=0.9.1
 ARG FOREGO_VERSION=v0.17.0
 
 # Use a specific version of golang to build both binaries
-FROM golang:1.18.8-alpine as gobuilder
+FROM golang:1.19.4-alpine as gobuilder
 RUN apk add --no-cache git musl-dev
 
 # Build docker-gen from scratch