Bump transformers from 4.12.5 to 4.30.0 in /ICLR2023/src

Bumps [transformers](https://github.com/huggingface/transformers) from 4.12.5 to 4.30.0.
- [Release notes](https://github.com/huggingface/transformers/releases)
- [Commits](huggingface/transformers@v4.12.5...v4.30.0)

---
updated-dependencies:
- dependency-name: transformers
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

ICLR2023/src/requirements.txt

@@ -7,4 +7,4 @@ fire
 strictfire
 pebble
 deepspeed == 0.6.1
-transformers == 4.12.5
+transformers == 4.30.0