build(deps): bump golang from 1.20.3 to 1.20.4 (#125)

Bumps golang from 1.20.3 to 1.20.4.

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

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

Dockerfile.test

@@ -1,4 +1,4 @@
-FROM golang:1.20.3 AS deb
+FROM golang:1.20.4 AS deb
 WORKDIR /app
 COPY go.mod .
 COPY go.sum .