docs: add missing dependecy sphinx_rtd_theme
#799
| Job | Run time |
|---|---|
| 1m 29s | |
| 25m 55s | |
| 7m 19s | |
| 7m 40s | |
| 28m 27s | |
| 7m 33s | |
| 7m 25s | |
| 8m 45s | |
| 3m 43s | |
| 1m 10s | |
| 1m 5s | |
| 16m 26s | |
| 8m 11s | |
| 5m 39s | |
| 7m 33s | |
| 41m 45s | |
| 4m 26s | |
| 11m 22s | |
| 5m 48s | |
| 9m 33s | |
| 3m 56s | |
| 9m 33s | |
| 0s | |
| 0s | |
| 0s | |
| 3h 44m 43s |