feat(api): create interface for BetterStack update SLA response

apps/api/src/services/queues/statistics-gathering/interfaces/interfaces.ts

@@ -0,0 +1,7 @@
+export interface BetterStackUptimeSlaResponse {
+  data: {
+    attributes: {
+      availability: number;
+    };
+  };
+}

apps/api/src/services/queues/statistics-gathering/statistics-gathering.processor.ts

@@ -25,6 +25,8 @@ import { Injectable, Logger } from '@nestjs/common';
 import * as cheerio from 'cheerio';
 import { format, subDays } from 'date-fns';
 
+import { BetterStackUptimeSlaResponse } from './interfaces/interfaces';
+
 @Injectable()
 @Processor(STATISTICS_GATHERING_QUEUE)
 export class StatisticsGatheringProcessor {
@@ -225,7 +227,7 @@ export class StatisticsGatheringProcessor {
             )
           }
         )
-        .then((res) => res.json());
+        .then<BetterStackUptimeSlaResponse>((res) => res.json());
 
       return data.attributes.availability / 100;
     } catch (error) {