chore(deps): bump golang in the docker-dependencies group (#1686)

Bumps the docker-dependencies group with 1 update: golang.


Updates `golang` from 1.26.2-alpine to 1.26.3-alpine

---
updated-dependencies:
- dependency-name: golang
  dependency-version: 1.26.3-alpine
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: docker-dependencies
...

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

Author: dependabot[bot]

Dockerfile

@@ -1,5 +1,5 @@
 # Build
-FROM golang:1.26.2-alpine AS build-env
+FROM golang:1.26.3-alpine AS build-env
 RUN apk add --no-cache build-base libpcap-dev
 WORKDIR /app
 COPY . /app