Include commit SHA in GitHub API commit query reporting

[chrissimpkins]

I ran bisect-rustc with the new GitHub API support (#63) for a rust ICE and landed on a nightly that is outside of the 167 day range for CI / commit bisection support. The report from the tool ended with the commit dump:

commit[0] 2019-08-19UTC: Auto merge of #63579 - alexcrichton:new-lockfile, r=Mark-Simulacrum
commit[1] 2019-08-19UTC: Auto merge of #63715 - Centril:rollup-dga8qtp, r=Centril
commit[2] 2019-08-20UTC: Auto merge of #62727 - SimonSapin:plugins-tls-dylib, r=petrochenkov
commit[3] 2019-08-20UTC: Auto merge of #63497 - eddyb:miri-subst, r=oli-obk
commit[4] 2019-08-20UTC: Auto merge of #63709 - matklad:decomposed-tokens, r=petrochenkov
commit[5] 2019-08-20UTC: Auto merge of #63587 - flip1995:clippyup, r=flip1995
commit[6] 2019-08-20UTC: Auto merge of #63744 - Centril:rollup-g4l3ra9, r=Centril
commit[7] 2019-08-20UTC: Auto merge of #63752 - Centril:rollup-nlxwety, r=Centril

It would be helpful to include the short git commit SHA's in this report so that "manual" bisection can be performed over the commits.

[ehuss]

I'm going to close as the output now says:

found 8 bors merge commits in the specified range
  commit[0] 2022-12-30: Auto merge of #105651 - tgross35:once-cell-inline, r=m-ou-se
  commit[1] 2022-12-30: Auto merge of #105058 - Nilstrieb:no-merge-commits-for-you-only-bors-is-allowed-to-do-that, r=jyn514
  commit[2] 2022-12-31: Auto merge of #106320 - jyn514:revert-merge-check, r=jyn514
  commit[3] 2022-12-31: Auto merge of #106324 - compiler-errors:rollup-2m9njin, r=compiler-errors
  commit[4] 2022-12-31: Auto merge of #106245 - estebank:mutability-suggestions, r=jyn514
  commit[5] 2022-12-31: Auto merge of #106302 - compiler-errors:terr-coerce-w-infer, r=estebank
  commit[6] 2022-12-31: Auto merge of #106275 - Nilstrieb:const-eval-select-me-some-compile-time, r=thomcc
  commit[7] 2022-12-31: Auto merge of #106282 - Ezrashaw:merge-e0465, r=estebank
ERROR: no CI builds available between ce85c98575e3016cf2007d90a85be321e592aa96 and 574b64a97f52162f965bc201e47f0af8279ca65d within last 167 days

I think the commit range there should be sufficient to do a manual bisection. I don't think the sha of each individual commit is necessarily important. However, feel free to reopen if I'm missing something, or if there is more information to include.