fix(build): Use public UBI repos to fix build failures

Modify the Containerfile's dnf command to use the public,
subscription-free UBI repositories. This prevents build failures
on non-RHEL hosts that lack full RHEL entitlements.

Signed-off-by: Eran Cohen <[email protected]>

Author: eranco74

Containerfile

@@ -14,7 +14,7 @@ WORKDIR /app-root
 # Install gcc - required by polyleven python package on aarch64
 # (dependency of autoevals, no pre-built binary wheels for linux on aarch64)
 USER root
-RUN dnf install -y --nodocs --setopt=keepcache=0 --setopt=tsflags=nodocs gcc
+RUN dnf --disablerepo="*" --enablerepo="ubi-9-appstream-rpms" --enablerepo="ubi-9-baseos-rpms" install -y --nodocs --setopt=keepcache=0 --setopt=tsflags=nodocs gcc
 
 # Install uv package manager
 RUN pip3.12 install "uv==0.8.11"
@@ -62,4 +62,4 @@ ENTRYPOINT ["python3.12", "src/lightspeed_stack.py"]
 LABEL vendor="Red Hat, Inc."
 
 # no-root user is checked in Konflux
-USER 1001
+USER 1001