[Core] Fix bump-all.sh to use pip for finding out ocean version (#1201)

# Description

What -
Replace poetry search
Why -
poetry search doesn't return version
How -
Replace poetry search with pip index to get ocean latest version.

## Type of change

Please leave one option from the following and delete the rest:

- [x] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] New Integration (non-breaking change which adds a new integration)
- [ ] Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [ ] Non-breaking change (fix of existing functionality that will not
change current behavior)
- [ ] Documentation (added/updated documentation)

<h4> All tests should be run against the port production
environment(using a testing org). </h4>

### Core testing checklist

- [ ] Integration able to create all default resources from scratch
- [ ] Resync finishes successfully
- [ ] Resync able to create entities
- [ ] Resync able to update entities
- [ ] Resync able to detect and delete entities
- [ ] Scheduled resync able to abort existing resync and start a new one
- [ ] Tested with at least 2 integrations from scratch
- [ ] Tested with Kafka and Polling event listeners
- [ ] Tested deletion of entities that don't pass the selector


### Integration testing checklist

- [ ] Integration able to create all default resources from scratch
- [ ] Resync able to create entities
- [ ] Resync able to update entities
- [ ] Resync able to detect and delete entities
- [ ] Resync finishes successfully
- [ ] If new resource kind is added or updated in the integration, add
example raw data, mapping and expected result to the `examples` folder
in the integration directory.
- [ ] If resource kind is updated, run the integration with the example
data and check if the expected result is achieved
- [ ] If new resource kind is added or updated, validate that
live-events for that resource are working as expected
- [ ] Docs PR link [here](#)

### Preflight checklist

- [ ] Handled rate limiting
- [ ] Handled pagination
- [ ] Implemented the code in async
- [ ] Support Multi account

## Screenshots

Include screenshots from your environment showing how the resources of
the integration will look.

## API Documentation

Provide links to the API documentation used for this integration.

Co-authored-by: Ivan Kalinovski <ivankalinovski@Ivans-MacBook-Pro.local>

Author: ivankalinovski

scripts/bump-all.sh

@@ -3,7 +3,7 @@
 SCRIPT_BASE="$(cd -P "$(dirname "$0")" && pwd)"
 ROOT_DIR="$(cd -P "${SCRIPT_BASE}/../" && pwd)"
 CURRENT_DIR=$(pwd)
-VERSION="^${1:-$(poetry search port-ocean | grep port-ocean | sed 's/.*(\(.*\))/\1/')}"
+VERSION="^${1:-$(pip index versions port-ocean | grep LATEST | cut -d':' -f2 | sed 's/ //g')}"
 
 echo "Going to bump ocean core to version ${VERSION} for all integrations"