bump v1.18.0_rc3

[Der-Henning]

Pull Request Checklist

• Have you checked to ensure there aren't other open
  Pull Requests for the same update/change?
• Did you make your Pull Request on the dev branch?
• Does your submission pass tests? make test
• Have you lint your code locally prior to submission? make lint
• Could you build and run the docker image successfully? make image
• Could you create a running executable? make executable
• Have you added an explanation of what your changes do
  and why you'd like to include them?
• Have you written new tests for your changes, as applicable?
• Have you successfully ran manual tests with your changes locally?

[codecov]

Codecov Report

Attention: 231 lines in your changes are missing coverage. Please review.

Comparison is base (acc2fa7) 75.06% compared to head (b276b4a) 64.81%.
Report is 1 commits behind head on main.

Files	Patch %	Lines
tgtg_scanner/notifiers/telegram.py	57.73%	71 Missing ⚠️
tgtg_scanner/models/config.py	93.63%	31 Missing ⚠️
tgtg_scanner/__main__.py	0.00%	30 Missing ⚠️
tgtg_scanner/scanner.py	0.00%	27 Missing ⚠️
tgtg_scanner/tgtg/tgtg_client.py	63.33%	11 Missing ⚠️
tgtg_scanner/notifiers/base.py	77.27%	10 Missing ⚠️
tgtg_scanner/notifiers/push_safer.py	41.17%	10 Missing ⚠️
tgtg_scanner/notifiers/smtp.py	83.33%	8 Missing ⚠️
tgtg_scanner/notifiers/notifiers.py	46.15%	7 Missing ⚠️
tgtg_scanner/_version.py	0.00%	6 Missing ⚠️
... and 7 more

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #432       +/-   ##
===========================================
- Coverage   75.06%   64.81%   -10.25%     
===========================================
  Files          32       26        -6     
  Lines        1985     2197      +212     
===========================================
- Hits         1490     1424       -66     
- Misses        495      773      +278     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.