gpm: dependencies forced update

[drzraf]

./bin/gpm index -I

PLUGINS [ 12 ]
--------------------------------------------------------------------------------
| Count | Name              | Slug             | Version           | Installed |
================================================================================
[...]
| 4     | Problems          | problems         | v2.0.2 -> v2.0.3  | installed |
| 5     | Error             | error            | v1.6.1 -> v1.6.2  | installed |
| 6     | Email             | email            | v3.0.2 -> v3.0.3  | installed |
| 7     | Markdown Notices  | markdown-notices | v1.0.1 -> v1.0.4  | installed |
| 9     | Login             | login            | v3.0.3 -> v3.0.4  | installed |
| 10    | Form              | form             | v3.0.7 -> v4.0.0  | installed |
| 11    | DevTools          | devtools         | v1.2.2 -> v1.2.4  | installed |
| 12    | Admin Panel       | admin            | v1.9.7 -> v1.9.12 | installed |
--------------------------------------------------------------------------------

./bin/gpm update devtools login markdown-notices email admin error problems

GPM Releases Configuration: Stable
Found 14 packages installed of which 8 need updating, only 7 will be updated
Limiting updates for only devtools, login, markdown-notices, email, admin, error, problems

01. Admin Panel     [v1.9.7 -> v1.9.12]
02. DevTools        [v1.2.2 -> v1.2.4]
03. Email           [v3.0.2 -> v3.0.3]
04. Error           [v1.6.1 -> v1.6.2]
05. Login           [v3.0.3 -> v3.0.4]
06. Markdown Notices [v1.0.1 -> v1.0.4]
07. Problems        [v2.0.2 -> v2.0.3]

Continue with the update process? [Y|n] Y

GPM Releases Configuration: Stable



The following dependencies can be updated as there is a newer version, but it's not mandatory...
  |- Package form

Preparing to install Form [v4.0.0]
...

Expected: form should not be updated.