chore(deps): bump the gha group across 1 directory with 3 updates

Bumps the gha group with 3 updates in the /packages/opentelemetry-instrumentation-transformers directory: opentelemetry-semantic-conventions-ai, [flake8](https://github.com/pycqa/flake8) and [transformers](https://github.com/huggingface/transformers).


Updates `opentelemetry-semantic-conventions-ai` from 0.4.11 to 0.4.12

Updates `flake8` from 7.0.0 to 7.3.0
- [Commits](PyCQA/flake8@7.0.0...7.3.0)

Updates `transformers` from 4.53.0 to 4.54.1
- [Release notes](https://github.com/huggingface/transformers/releases)
- [Commits](huggingface/transformers@v4.53.0...4.54.1)

---
updated-dependencies:
- dependency-name: opentelemetry-semantic-conventions-ai
  dependency-version: 0.4.12
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gha
- dependency-name: flake8
  dependency-version: 7.3.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: gha
- dependency-name: transformers
  dependency-version: 4.54.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: gha
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]