Add slides of Unreproducible Builds in Java

Author: algomaster99

software-supply-chain-workshop-4.md

@@ -27,7 +27,7 @@ This workshop is organized in the context of the [CHAINS](https://chains.proj.kt
 | 1015 | Break + Poster session                                                                      |
 | 1100   | (duration 15+5 minutes each)                                                            |
 |       | * Julien Malka, [Does Functional Package Management Enable Reproducible Builds at Scale? Yes](https://hal.science/hal-04913007) |
-|       | * Aman Sharma, Causes and Mitigations of Unreproducible Builds in Java                                                    |
+|       | * Aman Sharma, Causes and Mitigations of Unreproducible Builds in Java [slides](https://algomaster99.github.io/talks/4th-chains-workshop/slides.pdf)                                                    |
 |       | * Tina Heidinger (Github), Fredrik Skogman (GitHub), Github Attestations            |
 |       | * Frank Reyes, Fixing Breaking Dependency Updates Using LLMs                        |
 | 1230 | Lunch at Syster-o-bror                                                                      |