Feat/mailgun newsletter

[jona159]

Type of Change

• Dependency upgrade
• Bug fix (non-breaking change)
• Breaking change
  • e.g. a fixed bug or new feature that may break something else
• New feature
• Code quality improvements
  • e.g. refactoring, documentation, tests, tooling, ...

Implementation

Checklist

• I gave this pull request a meaningful title
• My pull request is targeting the dev branch
• I have added documentation to my code
• I have deleted code that I have commented out

Additional Information

• This PR closes #

[github-actions]

Coverage Report

Status	Category	Percentage	Covered / Total
🔵	Lines	67.25%	2159 / 3210
🔵	Statements	65.76%	2230 / 3391
🔵	Functions	65.23%	424 / 650
🔵	Branches	51.51%	1036 / 2011

File Coverage

File	Stmts	Branches	Functions	Lines	Uncovered Lines
Changed Files
app/db/models/token.server.ts	55.55%	100%	42.85%	52.94%	41-84
app/db/models/user.server.ts	57.62%	33.33%	62.5%	57.62%	29-40, 74, 133-224, 293
app/db/schema/action-token.ts	83.33%	100%	75%	80%	22
app/db/schema/user.ts	80%	100%	66.66%	75%	37
app/emails/newsletter-confirmation.tsx	75%	20%	0%	75%	61-106
app/lib/request-parsing.ts	85.29%	61.66%	100%	85.29%	36, 122-128, 137, 155, 202, 212-217, 242-246
app/lib/openapi/schemas/user.ts	100%	100%	100%	100%
app/routes/api.users.me.ts	83.09%	78.04%	100%	85.5%	92-96, 273, 276, 302, 308, 322, 341, 364, 379, 384, 402, 413
app/routes/api.users.register.ts	75%	47.61%	100%	75%	142-144, 150, 155, 166, 209, 214-225
app/services/newsletter-service.server.ts	2.5%	0%	0%	2.73%	38-50, 54-298
app/services/user-service.server.ts	63.41%	57.24%	63.15%	65.44%	110-114, 152-156, 172-176, 188-191, 211-212, 260-268, 296-302, 307-313, 317-323, 336-338, 378-391, 465-565, 578, 628-656, 669, 716, 722, 724

Generated in workflow #2740 for commit 683cdac by the Vitest Coverage Report Action

[zven]

What happens if a user changes their email address after having subscribed to the newsletter?