Use SPDX license
Fixes the following namcap warning:
mattermost-desktop E: Apache is not a valid SPDX license identifier. See https://spdx.org/licenses/ for valid identifiers, or prefix the identifier with 'LicenseRef-', if it is custom.
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Fixes the following namcap warning:
mattermost-desktop E: Apache is not a valid SPDX license identifier. See https://spdx.org/licenses/ for valid identifiers, or prefix the identifier with 'LicenseRef-', if it is custom.