Update git submodules

* Update grenade from branch 'master'
  - Merge "Create tox environment to build pdf documentation"
  - Create tox environment to build pdf documentation
    
    This patch enables building .pdf documentation using new 'pdf-docs'
    tox environment. The newly created tox environment creates latex
    source codes using sphinx-build and then builds the pdf
    documentation using make.
    
    Story: 2006070
    Task: 35463
    
    Change-Id: Ie5f522d0561d52206eabf400f4a53f67a8997eca
This commit is contained in:
Zuul 2020-10-29 21:09:55 +00:00 committed by Gerrit Code Review
parent a1509a5a74
commit b90150dac0

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Subproject commit 861776163d72be19f0a15bca1de999d081d61809
Subproject commit f0f04fa5c51f5e8ebb1ecaae09fe9b57905d09ae