chore(deps): update python docker tag to v3.14.6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
python (source)	final	patch	3.14.3-slim-bookworm → 3.14.6-slim-bookworm
python (source)	stage	patch	3.14.3-slim-bookworm → 3.14.6-slim-bookworm

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[github-actions]

Code coverage report

Name	Stmts	Miss	Branch	BrPart	Cover	Missing
mailer/__about__.py	8	0	0	0	100%
mailer/__init__.py	17	0	2	0	100%
mailer/api.py	83	0	10	0	100%
mailer/home.py	10	0	0	0	100%
mailer/mailer.py	99	0	10	0	100%
mailer/recaptcha.py	9	0	4	0	100%
mailer/sentry.py	8	0	0	0	100%
mailer/settings.py	35	0	4	0	100%
tests/__init__.py	0	0	0	0	100%
tests/conftest.py	35	0	0	0	100%
tests/test_api.py	421	0	10	0	100%
tests/test_home.py	36	0	0	0	100%
tests/test_mailer.py	9	0	0	0	100%
tests/test_settings.py	26	0	0	0	100%
tests/utils.py	91	0	2	0	100%
TOTAL	887	0	42	0	100%

Diff Coverage

Diff: origin/master..HEAD

No lines with coverage information in this diff.