Use rootless runner and oscap-podman images

Merge Request Description

Update the pipeline to use the new pipeline-runner image, and use this image for the build and harbor jobs. Also updates the pipeline to use the new oscap-podman image.

Merge Request BOE

Risk

Pipeline failures

Rollback Plan

Revert MR

Testing

Images in prod ironbank project:

➜ crane ls registry1.dso.mil/ironbank/ironbank-pipelines/pipeline-runner | grep v0.6.3
v0.6.3
➜ crane ls registry1.dso.mil/ironbank/ironbank-pipelines/oscap-podman | grep v
v0.1.0

Tested in staging mario:

Project	Link
UBI	https://code-ib-mario.staging.dso.mil/dsop/redhat/ubi/ubi8/-/pipelines/2273
Distroless	https://code-ib-mario.staging.dso.mil/dsop/google/distroless/static/-/pipelines/2278