Enable Konflux gating via OSCI Testing Farm integration

Add .fmf/version, ci.fmf, gating.yaml and plans/integration.fmf
to enable Konflux gating for yggdrasil on c9s.

Assisted-by: goose (AI agent)

.fmf/version

@@ -0,0 +1 @@
+1

ci.fmf

@@ -0,0 +1 @@
+resultsdb-testcase: separate

gating.yaml

@@ -3,4 +3,4 @@ product_versions:
   - rhel-9
 decision_context: osci_compose_gate
 rules:
-  - !PassingTestCaseRule {test_case_name: osci.brew-build.tier0.functional}
+  - !PassingTestCaseRule {test_case_name: osci.brew-build./plans/integration.functional}

plans/integration.fmf

@@ -0,0 +1,17 @@
+summary: Yggdrasil integration tests
+discover:
+    how: fmf
+    url: https://github.com/RedHatInsights/yggdrasil.git
+    ref: main
+prepare:
+    - name: install test packages
+      how: install
+      package:
+        - yggdrasil-examples
+    - name: install test dependencies
+      how: shell
+      script: |
+        git clone --depth=1 https://github.com/RedHatInsights/yggdrasil.git /tmp/yggdrasil
+        /tmp/yggdrasil/systemtest/install-test-deps.sh
+execute:
+    how: tmt