Update git submodules

Update git submodules

* Update docs/submodules/pharos from branch 'master'
  - Merge "[PDF] [SPEC] Add 'version: 1.0'"
  - [PDF] [SPEC] Add 'version: 1.0'

    - add 'version: 1.0' to PDF spec;
    - add 'version: 1.0' to all existing lab PDFs;
    - extend schema with new property;
    - add workaround for value-based decision-making in schema version
      selection via `validate-template.py`;
    - add support for multiple schema versions;
    - add versions for all schema blocks defined so far;
    - fix PDF schema pattern for disk size decimals (e.g. '1.8T');

    Change-Id: Ie8f768803ec19f1f9a7982fe5ca59df80764fc4a
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>