chore(deps): bump golang from 1.26.0 to 1.26.3

Bumps golang from 1.26.0 to 1.26.3.

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

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

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.26.0 AS build
+FROM golang:1.26.3 AS build
 WORKDIR /app
 ARG appVersion=""