fix(argocd-image-updater): Add scratch space for /tmp (#933)

Signed-off-by: Marco Kilchhofer <mkilchhofer@users.noreply.github.com>

charts/argocd-image-updater/templates/deployment.yaml

@@ -74,6 +74,8 @@ spec:
           volumeMounts:
           - mountPath: /app/config
             name: registries-conf
+          - mountPath: /tmp
+            name: tmp-dir
       volumes:
       - configMap:
           items:
@@ -81,6 +83,8 @@ spec:
             path: registries.conf
           name: argocd-image-updater-config
         name: registries-conf
+      - emptyDir: {}
+        name: tmp-dir
       {{- with .Values.nodeSelector }}
       nodeSelector:
         {{- toYaml . | nindent 8 }}