refactor: generate image with sharp

[fpasquet]

No description provided.

[github-actions]

⚡️🏠 Lighthouse report

Here's the summary:

Path	Performance	Accessibility	Best practices	SEO	PWA
/refactor/generate-image-with-sharp/	🟢 90	🟢 90	🟢 100	🟢 100	🟠 70
/refactor/generate-image-with-sharp/fr/authors/ajacquemin/	🟠 88	🟢 90	🟢 100	🟢 92	🟠 70
/refactor/generate-image-with-sharp/fr/comment-construire-site-web-avec-nextjs/	🟠 80	🟠 80	🟢 100	🟢 100	🟠 70
/refactor/generate-image-with-sharp/fr/nestjs-le-cycle-de-vie-dune-requete/	🟢 94	🟠 80	🟢 100	🟢 97	🟠 70

Here's the audits:

Path	FCP 1800 <=	LCP 2500 <=	Speed Index 3400 <=	TTI 3800 <=	TBT 200 <=	CLS 0.1 <=
/refactor/generate-image-with-sharp/	🔴 2397	🟢 2415	🟢 2738	🔴 4311	🟢 6	🔴 0.12
/refactor/generate-image-with-sharp/fr/authors/ajacquemin/	🔴 2529	🔴 2529	🟢 3059	🔴 4214	🟢 6	🟢 0.01
/refactor/generate-image-with-sharp/fr/comment-construire-site-web-avec-nextjs/	🔴 2087	🔴 2696	🟢 2087	🔴 4698	🟢 6	🟢 0.03
/refactor/generate-image-with-sharp/fr/nestjs-le-cycle-de-vie-dune-requete/	🔴 2086	🟢 2143	🟢 2086	🔴 4712	🟢 6	🟢 0.04