fix: Fix Helm template for dburl secret (#770)

charts/planka/Chart.yaml

@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.1.31
+version: 0.1.32
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to

charts/planka/templates/deployment.yaml

@@ -68,7 +68,7 @@ spec:
             - name: DATABASE_URL
               valueFrom:
                 secretKeyRef:
-                  name: .Values.existingDburlSecret
+                  name: {{ .Values.existingDburlSecret }}
                   key: uri
           {{- else }}
             - name: DATABASE_URL