test/stages/authconfig: Use centos stream 9 as a base

Authconfig was completely retired from Fedora. In order to keep this stage
covered, this commit changes the test to use CentOS Stream 9, which still
ships this package.

test/data/manifests/centos-stream-9-build.ipp.yaml

@@ -0,0 +1,30 @@
+version: '2'
+pipelines:
+  - name: build
+    source-epoch: 1659397331
+    stages:
+      - type: org.osbuild.rpm
+        inputs:
+          packages:
+            type: org.osbuild.files
+            origin: org.osbuild.source
+            mpp-depsolve:
+              architecture: $arch
+              module-platform-id: $module_platform_id
+              repos:
+                mpp-eval: repos
+              packages:
+                - rpm
+                - selinux-policy-targeted
+                - python3
+                - systemd
+        options:
+          gpgkeys:
+            mpp-eval: gpgkeys
+          exclude:
+            docs: true
+      - type: org.osbuild.selinux
+        options:
+          file_contexts: etc/selinux/targeted/contexts/files/file_contexts
+          labels:
+            /usr/bin/cp: system_u:object_r:install_exec_t:s0

test/data/manifests/centos-stream-9-vars.ipp.yaml

@@ -0,0 +1,17 @@
+version: '2'
+
+mpp-vars:
+  arch: x86_64
+  release: 9
+  releasever: el$release
+  module_platform_id: platform:$releasever
+  snapshot: '20230815'
+  ref: centos/$arch/osbuild
+  isolabel: Centos-$release-X86_64
+  repos:
+    - id: baseos
+      baseurl: https://rpmrepo.osbuild.org/v2/mirror/public/$releasever/cs9-$arch-baseos-$snapshot/
+    - id: appstream
+      baseurl: https://rpmrepo.osbuild.org/v2/mirror/public/$releasever/cs9-$arch-appstream-$snapshot/
+  gpgkeys:
+    - "-----BEGIN PGP PUBLIC KEY BLOCK-----\nVersion: GnuPG v2.0.22 (GNU/Linux)\n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\nyy+mHmSv\n=kkH7\n-----END PGP PUBLIC KEY BLOCK-----"