refactor(backend): core/activitypub

[okayurisotto]

What

このPRでは/packages/backend/src/core/activitypub/*.tsを中心にリファクタリングを行いました。

Why

今後の円滑な開発のため。

• Avoid any type as possible #3622

Additional info (optional)

ActivityPubについてまだ詳しくないため、すべてのanyをなくすなどの改善はできていません。現時点の私にもできそうな推論をしました。それぞれの編集の意図についてはコミットメッセージを参照していただければと思います。

Checklist

• Read the contribution guide
• Test working in a local environment
• (If needed) Add story of storybook
• (If needed) Update CHANGELOG.md
• (If possible) Add tests

[codecov]

Codecov Report

Merging #11247 (819204d) into develop (9845cce) will decrease coverage by 0.05%.
The diff coverage is 55.21%.

@@             Coverage Diff             @@
##           develop   #11247      +/-   ##
===========================================
- Coverage    77.69%   77.64%   -0.05%     
===========================================
  Files          910      908       -2     
  Lines        92033    91878     -155     
  Branches      7671     7674       +3     
===========================================
- Hits         71504    71340     -164     
- Misses       20529    20538       +9     

Impacted Files	Coverage Δ
...ackend/src/core/activitypub/ApDbResolverService.ts	61.62% <0.00%> (-1.47%)	⬇️
...s/backend/src/core/activitypub/ApRequestService.ts	78.12% <0.00%> (ø)
.../backend/src/core/activitypub/ApResolverService.ts	46.07% <0.00%> (+0.88%)	⬆️
...ckend/src/core/activitypub/models/ApNoteService.ts	65.01% <0.00%> (ø)
packages/backend/src/core/activitypub/type.ts	95.04% <ø> (+0.29%)	⬆️
...backend/src/core/activitypub/LdSignatureService.ts	12.96% <7.40%> (+0.86%)	⬆️
...ges/backend/src/core/activitypub/ApInboxService.ts	18.62% <11.76%> (-0.08%)	⬇️
...ges/backend/src/server/ActivityPubServerService.ts	53.95% <76.47%> (+0.43%)	⬆️
...nd/src/core/activitypub/ApDeliverManagerService.ts	96.69% <82.60%> (-1.92%)	⬇️
.../backend/src/core/activitypub/ApRendererService.ts	81.80% <85.36%> (-0.30%)	⬇️
... and 3 more

... and 5 files with indirect coverage changes

[syuilo]

👍🏻👍🏻