Update stale images: product/sentry-basics/integrate-backend/getting-started (3 screenshots)

## Stale Images: `product/sentry-basics/integrate-backend/getting-started` **Docs page:** [https://docs.sentry.io/product/sentry-basics/integrate-backend/getting-started/](<https://docs.sentry.io/product/sentry-basics/integrate-backend/getting-started/>)<br>**Source file:** [docs/product/sentry-basics/integrate-backend/getting-started.mdx](<https://github.com/getsentry/sentry-docs/blob/master/docs/product/sentry-basics/integrate-backend/getting-started.mdx>)<br>**Stale screenshots:** 3<br>**Stale Arcades:** 0<br>**Priority:** high ### What to do 1. Open the [docs page](<https://docs.sentry.io/product/sentry-basics/integrate-backend/getting-started/>) and compare each screenshot against the current Sentry UI 2. For screenshots: recapture from the current UI and replace the image file 3. For Arcades: re-record the interactive walkthrough and update the embed URL 4. Ensure alt text is still accurate for any replaced images 5. Commit and open a PR ### Notes * This issue was auto-generated by the screenshot pipeline * See the source MDX file for all image references * Images are stored in the `img/` folder next to the MDX file