[feat] proposal bot to batch submit proposals

[1xstj]

Summary of changes Changes introduced in this pull request:

• Updates the proposal submission bot to submit proposals in batches

[codecov-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (e06a692) 15.80% compared to head (a135f45) 15.80%.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #687 +/- ## ======================================= Coverage 15.80% 15.80% ======================================= Files 76 76 Lines 5514 5514 ======================================= Hits 871 871 Misses 4643 4643 ```

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