paperless-ngx/gotenberg: Run as correct user

The Gotenberg container image uses UID 1001 for the _gotenberg_ user.
Using any other UID number, even when the home directory is set and
owned by that UID, results in random issues, especially when using
LibreOffice conversions.

paperless-ngx/gotenberg.yaml

@@ -53,13 +53,17 @@ spec:
         securityContext:
           runAsNonRoot: true
           readOnlyRootFilesystem: true
-          runAsUser: 1000
-          runAsGroup: 1000
+          runAsUser: 1001
+          runAsGroup: 1001
         volumeMounts:
-        - name: tmp
-          mountPath: /tmp
+        - mountPath: /home/gotenberg
+          name: tmp
+          subPath: home
+        - mountPath: /tmp
+          name: tmp
+          subPath: tmp
       securityContext:
-        fsGroup: 1000
+        fsGroup: 1001
       volumes:
       - name: tmp
         emptyDir: