infra: tests: add rpmlint to existing rpm tests

rpmlint is used in Fedora dist git in the release process.
Having it included in the upstream CI will enable early detection
of the potential linter issues in spec / rpms.

Makefile.am

@@ -336,7 +336,9 @@ container-rpm-test:
 	$(RPM_NAME):$(CI_TAG) \
 	sh -exc ' \
 	    /run-build-and-arg make run-rpm-tests-only; \
-	    dnf install -y /tmp/anaconda/result/build/01-rpm-build/*.rpm'
+	    dnf install -y /tmp/anaconda/result/build/01-rpm-build/*.rpm; \
+	    cd /tmp/anaconda; \
+	    rpmlint *.spec.in result/build/01-rpm-build/*.rpm --config rpmlint.toml'
 
 container-rpms:
 	@./scripts/testing/check-container-age.sh "$(RPM_NAME):$(CI_TAG)"

dockerfile/anaconda-rpm/Dockerfile

@@ -42,7 +42,8 @@ RUN set -ex; \
   python3-pocketlint \
   /usr/bin/xargs \
   rsync \
-  rpm-build; \
+  rpm-build \
+  rpmlint; \
   if ! grep -q VARIANT.*eln /etc/os-release; then \
     BRANCH="${git_branch}"; \
     if [ $BRANCH == "master" ]; then \