Add COLLECTOR_HOST_ID env var to hubspoke example

[PrplHaz4]

Added COLLECTOR_HOST_ID environment variable to hubspoke example

[codecov-commenter]

Codecov Report

Attention: 54 lines in your changes are missing coverage. Please review.

Comparison is base (0febe3f) 32.54% compared to head (56df7b5) 30.74%. Report is 75 commits behind head on master.

Files	Patch %	Lines
webapp/backend/pkg/database/scrutiny_repository.go	0.00%	32 Missing :warning:
...end/pkg/database/scrutiny_repository_migrations.go	0.00%	18 Missing :warning:
webapp/backend/pkg/notify/notify.go	0.00%	3 Missing :warning:
webapp/backend/pkg/config/config.go	0.00%	1 Missing :warning:

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #566 +/- ## ========================================== - Coverage 32.54% 30.74% -1.80% ========================================== Files 54 29 -25 Lines 3045 2709 -336 Branches 66 0 -66 ========================================== - Hits 991 833 -158 + Misses 2018 1846 -172 + Partials 36 30 -6 ``` | [Flag](https://app.codecov.io/gh/AnalogJ/scrutiny/pull/566/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jason+Kulatunga) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/AnalogJ/scrutiny/pull/566/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jason+Kulatunga) | `30.74% <1.81%> (-1.80%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jason+Kulatunga#carryforward-flags-in-the-pull-request-comment) to find out more.

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[AnalogJ]

Thanks for the PR! 🥳