[TASK] Upgrade Go to 1.24 - pvcviewer-controller component

[liavweiss]

Certification

• I certify I am an Epic Owner for Kubeflow Notebooks 2.0 and expected to create planning-related issues.

Description

Update the Go toolchain for /pvcviewer-controller to version 1.24.

Scope:

• Update go.mod → go 1.24
• Update Dockerfile:

ARG GOLANG_VERSION=1.24
FROM golang:${GOLANG_VERSION}

• Update CI workflow pvcviewer_controller_unit_test.yaml → go-version: "1.24"
• Run:
  cd notebooks/components/pvcviewer-controller && go mod tidy && go build ./...
• Re-run unit/integration workflows.

Acceptance Criteria

• Module compiles and builds under Go 1.24.
• All tests pass and Docker image builds successfully.
• Review all files under /pvcviewer-controller to ensure no additional Go-related updates are required.

[liavweiss]

/area v1

[henschwartz]

/assign