fix(tests): only bootc lint once at the very end

A DX build would run the regular lint at the end of that stage and then
for the dx stage again. This will only bootc lint it once at the end.

Author: renner0e

Containerfile

@@ -50,3 +50,5 @@ RUN --mount=type=cache,dst=/var/cache/libdnf5 \
     --mount=type=bind,from=ctx,source=/,target=/ctx \
     --mount=type=secret,id=GITHUB_TOKEN \
     /ctx/build_files/shared/build-dx.sh
+
+RUN bootc container lint

build_files/shared/build-base.sh

@@ -67,5 +67,4 @@ echo "::group:: Cleanup"
 /ctx/build_files/shared/clean-stage.sh
 mkdir -p /var/tmp &&
     chmod -R 1777 /var/tmp
-bootc container lint
 echo "::endgroup::"

build_files/shared/build-dx.sh

@@ -56,7 +56,6 @@ echo "Variant=Developer Experience" >> /usr/share/kde-settings/kde-profile/defau
 
 # Clean Up
 echo "::group:: Cleanup"
-bootc container lint
 /ctx/build_files/shared/clean-stage.sh
 mkdir -p /var/tmp && \
 chmod -R 1777 /var/tmp