Docs: Update version references to v0.19.1 in READMEs and docs (#8366)
### What problem does this PR solve?
- Update Docker image version badges and references from v0.19.0 to
v0.19.1
- Modify version mentions in all localized README files (id, ja, ko,
pt_br, tzh, zh)
- Update version in docker/README.md and related documentation files
- Includes updates to Helm values and Python SDK dependencies
### Type of change
- [x] Documentation Update