Include extension category when uploading extension a new package manager

[jcfr]

The category metadata is missing from the package server.

Note: This instance is currently internally hosted at Kitware

For example, it is missing from last night extension associated with revision 29173:

http://192.168.113.208:8080/api/v1/app/5aa3da37f3eb080001497b3d/extension?app_revision=29173&os=macosx&arch=amd64&sort=created&sortdir=-1

[
    {
        "_id": "5ef328794db7a400019d60f4",
        "baseParentId": "5a8c800cd7a3fb0001b37cdd",
        "baseParentType": "collection",
        "created": "2020-06-24T10:18:33.564000+00:00",
        "creatorId": "5a8c7f58d7a3fb0001b37cd9",
        "description": "",
        "folderId": "5ef3113f4db7a400019d5f9a",
        "lowerName": "29173_slicermorph_macosx_amd64_41bae1a",
        "meta": {
            "app_id": "5aa3da37f3eb080001497b3d",
            "app_revision": "29173",
            "arch": "amd64",
            "baseName": "SlicerMorph",
            "description": "",
            "os": "macosx",
            "repository_type": "git",
            "repository_url": "https://github.com/SlicerMorph/SlicerMorph.git",
            "revision": "41bae1a"
        },
        "name": "29173_SlicerMorph_macosx_amd64_41bae1a",
        "size": 701055,
        "updated": "2020-06-24T10:18:33.567000+00:00"
    },
    [...]

Steps to reproduce

Inspect metadata associated with uploaded extensions:

Expected behavior

category should be listed

Environment

NA

Proposed solution

Update invocation of to specify --category (see slicer_package_manager_client/cli.py and girder/slicer_package_manager#75)

Slicer/Extensions/CMake/SlicerExtensionPackageAndUploadTarget.cmake

Lines 326 to 340 in 02c0634

	execute_process(COMMAND
	${CMAKE_COMMAND} -E env
	LC_ALL=en_US.UTF-8
	LANG=en_US.UTF-8
	${SLICER_EXTENSION_MANAGER_CLIENT_EXECUTABLE}
	--api-url ${SLICER_EXTENSION_MANAGER_URL}/api/v1
	--api-key ${SLICER_EXTENSION_MANAGER_API_KEY}
	extension upload Slicer ${p}
	--os ${EXTENSION_OPERATING_SYSTEM}
	--arch ${EXTENSION_ARCHITECTURE}
	--name ${EXTENSION_NAME}
	--repo_type ${EXTENSION_WC_TYPE}
	--repo_url ${EXTENSION_WC_URL}
	--revision ${EXTENSION_WC_REVISION}
	--app_revision ${Slicer_REVISION}