add tui config for 5.3.13 (#470)

Author: MFCaballero

config/tui/prod-variations.yml

@@ -141,7 +141,19 @@ level: # testsuites
           push:
             level: # testsuite
               tyk-identity-broker:
-      release-5.3:   
+      release-5.3:
+        pump:
+          - "tykio/tyk-pump-docker-pub:v1.14"
+        level: # trigger
+          pull_request:
+            level: # testsuite
+              tyk:
+              tyk-analytics:
+          push:
+            level: # testsuite
+              tyk:
+              tyk-analytics:
+      release-5.3.13:
         pump:
           - "tykio/tyk-pump-docker-pub:v1.14"
         level: # trigger
@@ -351,7 +363,7 @@ level: # testsuites
             level: # repos
               tyk-analytics:
               tyk-pro:
-      release-5.3:  
+      release-5.3:
         pump:
           - "tykio/tyk-pump-docker-pub:v1.14"
         level: # trigger
@@ -361,7 +373,17 @@ level: # testsuites
           push:
             level: # testsuite
               tyk-analytics:
-      release-5.6:    
+      release-5.3.13:
+        pump:
+          - "tykio/tyk-pump-docker-pub:v1.14"
+        level: # trigger
+          pull_request:
+            level: # testsuite
+              tyk-analytics:
+          push:
+            level: # testsuite
+              tyk-analytics:
+      release-5.6:
         level: # trigger
           pull_request:
             level: # testsuite