Add slides link to Amount Stage 1 update (#2013)

Updated the Amount proposal entry to include slides link.

Author: jessealama

2025/11.md

@@ -127,7 +127,7 @@ When applicable, use these emoji as a prefix to the agenda item topic.
     | 2 | 30m | [Error.prototype.stack accessor](https://github.com/tc39/proposal-error-stack-accessor/issues/9) for stage 2.7 | Jordan Harband |
     | 1 | 30m | [`await` dictionary](https://github.com/tc39/proposal-await-dictionary/) for Stage 2 or 2.7 ([spec](https://tc39.es/proposal-await-dictionary/)) | Ashley Claymore |
     | 1 | 30m | [Declarations in Conditionals](https://github.com/tc39/proposal-Declarations-in-Conditionals) for Stage 2 ([spec](https://tc39.es/proposal-Declarations-in-Conditionals/)) | Devin Rousso |
-    | 1 | 30m | [Amount](https://github.com/tc39/proposal-amount) Stage 1 update ([spec](https://tc39.es/proposal-amount/)) | Ben Allen |
+    | 1 | 30m | [Amount](https://github.com/tc39/proposal-amount) Stage 1 update ([spec](https://tc39.es/proposal-amount/), [slides](https://notes.igalia.com/p/tc39-november-2025-amount)) | Ben Allen |
     | 1 | 30m | [Object.propertyCount](https://github.com/tc39/proposal-object-property-count) for Stage 2 | Ruben Bridgewater |
     | 1 | 45m | [`Error.captureStackTrace`](https://github.com/tc39/proposal-error-capturestacktrace) for Stage 2 ([Slides](https://docs.google.com/presentation/d/1c3vpsgkUSD2qWCl_6RICnykWLYm2Tc7Dk_uusBKNvc8)) | Daniel Minor |
     | 1 | 60m | [Concurrency Control](https://github.com/tc39/proposal-concurrency-control) Stage 1 updates ([slides](https://docs.google.com/presentation/d/1WoEqtVKEJgIhyTbOO2aWbNKLCFNPXHMb0ZW3gMFpyvU)) | Michael Ficarra |