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

Bumps the gha group with 3 updates in the /packages/opentelemetry-instrumentation-milvus directory: [flake8](https://github.com/pycqa/flake8), [pytest](https://github.com/pytest-dev/pytest) and [pymilvus](https://github.com/milvus-io/pymilvus).


Updates `flake8` from 7.0.0 to 7.1.1
- [Commits](PyCQA/flake8@7.0.0...7.1.1)

Updates `pytest` from 8.2.2 to 8.3.4
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.2.2...8.3.4)

Updates `pymilvus` from 2.4.4 to 2.5.4
- [Release notes](https://github.com/milvus-io/pymilvus/releases)
- [Commits](milvus-io/pymilvus@v2.4.4...v2.5.4)

---
updated-dependencies:
- dependency-name: flake8
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: gha
- dependency-name: pytest
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: gha
- dependency-name: pymilvus
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: gha
...

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

Author: dependabot[bot]

packages/opentelemetry-instrumentation-milvus/poetry.lock

@@ -31,7 +31,7 @@ opentelemetry-semantic-conventions-ai = "0.4.2"
 
 [tool.poetry.group.dev.dependencies]
 autopep8 = "^2.2.0"
-flake8 = "7.0.0"
+flake8 = "7.1.1"
 pytest = "^8.2.2"
 pytest-sugar = "1.0.0"
 pymilvus = "^2.4.1"