Add missing diffs mountPath

DIFFS dir is missing #3

Author: RemiKalbe

charts/overpass-api-chart/Chart.yaml

@@ -14,5 +14,5 @@ keywords:
 - api
 
 type: application
-version: 0.5.13
+version: 0.5.14
 appVersion: "0.7.62.8" # The last number is the Dockerfile version for that overpass-api version

charts/overpass-api-chart/templates/statefulset.yaml

@@ -42,6 +42,8 @@ spec:
             mountPath: /app/db
           - name: data
             mountPath: /app/work
+          - name: data
+            mountPath: /app/diffs
           - name: scripts
             mountPath: /scripts
           env:
@@ -92,6 +94,8 @@ spec:
             mountPath: /app/db
           - name: data
             mountPath: /app/work
+          - name: data
+            mountPath: /app/diffs
           - name: scripts
             mountPath: /scripts
           readinessProbe: