strands_navigation: 0.0.21-0 in 'hydro/distribution.yaml' [bloom]

Increasing version of package(s) in repository `strands_navigation` to `0.0.21-0`:

- upstream repository: https://github.com/strands-project/strands_navigation.git
- release repository: https://github.com/strands-project-releases/strands_navigation.git
- distro file: `hydro/distribution.yaml`
- bloom version: `0.5.12`
- previous version for package: `0.0.20-0`

## joy_map_saver

- No changes

## message_store_map_switcher

- No changes

## monitored_navigation

- No changes

## nav_goals_generator

- No changes

## pose_initialiser

- No changes

## strands_navigation

- No changes

## strands_navigation_msgs

- No changes

## topological_navigation

```
* Merge branch 'hydro-devel' of https://github.com/Jailander/strands_navigation into hydro-devel
* error handling when no route is possible
* adding sleep to reduce cpu consumption
* Contributors: Jaime Pulido Fentanes
```

## topological_utils

- No changes