build(deps): bump golang in /integration-test

Bumps golang from 1.26.1-alpine to 1.26.2-alpine.

---
updated-dependencies:
- dependency-name: golang
  dependency-version: 1.26.2-alpine
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

integration-test/Dockerfile

@@ -1,11 +1,11 @@
 # Step 1: Modules caching
-FROM golang:1.26.1-alpine@sha256:2389ebfa5b7f43eeafbd6be0c3700cc46690ef842ad962f6c5bd6be49ed82039 AS modules
+FROM golang:1.26.2-alpine@sha256:c2a1f7b2095d046ae14b286b18413a05bb82c9bca9b25fe7ff5efef0f0826166 AS modules
 COPY go.mod go.sum /modules/
 WORKDIR /modules
 RUN go mod download
 
 # Step 2: Tests
-FROM golang:1.26.1-alpine@sha256:2389ebfa5b7f43eeafbd6be0c3700cc46690ef842ad962f6c5bd6be49ed82039
+FROM golang:1.26.2-alpine@sha256:c2a1f7b2095d046ae14b286b18413a05bb82c9bca9b25fe7ff5efef0f0826166
 COPY --from=modules /go/pkg /go/pkg
 COPY . /app
 WORKDIR /app