This commit includes the following unrelated changes
to pass the gate.
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Update sphinx requirements
After the recent change in the global requirements. [1]
[1] If558f184c959e4b63b56dec3ca1571d1034cfe5c
Closes-Bug: #1829138
Change-Id: Ic43783255091b77030983d5de0011b9bf4c3a486
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Closes-Bug: #1829121
Change-Id: I06848d68f8e21880f05c003c2aa444f04dea2ef8