Add app hook deliveries API

[pierce-m]

Resolves #2225

[pierce-m]

Can we re-run the cla job? I signed it but it hasn't updated 🤔

[gmlewis]

@googlebot - recheck

[gmlewis]

Thank you, @pierce-m !
Just a few tweaks, please, then we should be ready for a second LGTM before merging.

Also, could you please send a message to @googlebot like "Hey @googlebot - I signed it." and let's see if it responds. Thanks again!

[codecov]

Codecov Report

Merging #2226 (cca80b1) into master (ff33a55) will decrease coverage by 0.02%.
The diff coverage is 92.30%.

❗ Current head cca80b1 differs from pull request most recent head 2aa17ba. Consider uploading reports for the commit 2aa17ba to get more accurate results

@@            Coverage Diff             @@
##           master    #2226      +/-   ##
==========================================
- Coverage   97.81%   97.79%   -0.03%     
==========================================
  Files         112      113       +1     
  Lines       10117    10156      +39     
==========================================
+ Hits         9896     9932      +36     
- Misses        154      156       +2     
- Partials       67       68       +1     

Impacted Files	Coverage Δ
github/apps_hooks_deliveries.go	92.30% <92.30%> (ø)

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[pierce-m]

Looks like it updated with the new commits -- thanks!

[gmlewis]

Thank you, @pierce-m !
LGTM.

Awaiting second LGTM from any other contributor to this repo before merging.

[pierce-m]

@wesleimp can I get some 👀 on this one please?

[gmlewis]

@Parker77 - do you have time to take a look at this one?

[Parker77]

LGTM.

[gmlewis]

LGTM.

Thank you, @Parker77!
Merging.