Add migrator config patches

Author: sayan-biswas

operator/gitops/argocd/pipeline-service/tekton-results/base/api-migrator-config.yaml

@@ -0,0 +1,34 @@
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: tekton-results-api
+  namespace: tekton-pipelines
+spec:
+  template:
+    spec:
+      initContainers:
+        - name: migrator
+          env:
+            - name: DB_USER
+              valueFrom:
+                secretKeyRef:
+                  name: tekton-results-database
+                  key: db.user
+            - name: DB_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: tekton-results-database
+                  key: db.password
+            - name: DB_HOST
+              value:
+              valueFrom:
+                secretKeyRef:
+                  name: tekton-results-database
+                  key: db.host
+            - name: DB_NAME
+              value:
+              valueFrom:
+                secretKeyRef:
+                  name: tekton-results-database
+                  key: db.name

operator/gitops/argocd/pipeline-service/tekton-results/base/kustomization.yaml

@@ -30,6 +30,7 @@ configMapGenerator:
     behavior: replace
 
 patchesStrategicMerge:
+  - api-migrator-config.yaml
   - api-db-config.yaml
   - api-s3-config.yaml
   - api-service-tls.yaml