chore: update submodule

[roedoejet]

PR Goal?

We shouldn't require a vocoder if you're just synthesizing spectrograms. This fixes that.

Fixes?

542

Feedback sought?

sanity

Priority?

v01.0a4 (high)

Tests added?

None. Unfortunately we still don't have any unit tests for synthesis.

How to test?

try synthesizing without a vocoder (everyvoice synthesize from-text <feature_prediction.ckpt> -t <text> -O spec)

Confidence?

high

Version change?

v01.0a4

Related PRs?

https://github.com/EveryVoiceTTS/FastSpeech2_lightning/pull/88

[semanticdiff-com[bot]]

Review changes with SemanticDiff.

Analyzed 1 of 1 files.

	Filename	Status
:heavy_check_mark:	everyvoice/model/feature_prediction/FastSpeech2_lightning	Analyzed

[github-actions[bot]]

CLI load time: 0:00.23
Pull Request HEAD: 35b9cdcad791619b3ff6756d887daf480ad38c81
Imports that take more than 0.1 s:
import time: self [us] | cumulative | imported package

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 74.63%. Comparing base (eb460a2) to head (35b9cdc). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #551 +/- ## ======================================= Coverage 74.63% 74.63% ======================================= Files 46 46 Lines 3130 3130 Branches 510 510 ======================================= Hits 2336 2336 Misses 693 693 Partials 101 101 ```

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