Screenshot naming is now less restrictive

See getsentry/sentry#91602 for details.

Author: armenzg

develop-docs/sdk/expected-features/index.mdx

@@ -207,8 +207,7 @@ It's advised to provide this feature through a single option called `attachScree
 
 The feature is achieved by adding an attachment with:
 
-* File name `screenshot.jpg` or `screenshot.png`
-  * Subsequent screenshots in the same event should be named `screenshot-n`, where n is the screenshot number starting with 2
+* The file name should contain the word `screenshot`
 * Image size, if possible should stay below 2 MB but quality/size could be configurable
 * `ContentType: image/jpg` or `ContentType: image/png`