api: Rename 'put' -> 'patch'
api: Rename 'put' -> 'patch'

The function was called 'put' yet it used 'PATCH' to update the
resource. Oops.

Signed-off-by: Stephen Finucane <06fa905d7f2aaced6dc72e9511c71a2a51e8aead@that.guru>

getpatchwork/git-pw,stephenfin/git-pw