go version updated to 1.21

[nvvfedorov]

Dockerfiles were updated to use GO1.21.

How to test:

1. Build images

make local

3. Run ubuntu20.04

docker run --gpus all --rm -p 9400:9400 docker.io/nvidia/dcgm-exporter:3.3.0-3.2.0-ubuntu20.04

4. After ~30 seconds, make an HTTP request:

curl -v localhost:9400/metrics

You expected to see a list of metrics.

5. Run Dockerfile.ubi8

docker run --gpus all --rm -p 9400:9400 docker.io/nvidia/dcgm-exporter:3.3.0-3.2.0-ubi8

6. After ~30 seconds, make an HTTP request:

curl -v localhost:9400/metrics

You expected to see a list of metrics.

[nikkon-dev]

LGTM

[nvvfedorov]

Vulnerability report received:
0 Critical
0 High
4 Medium
27 Low
3 Negligible
0 Unknown