pkg: bump version to 10.4.0

Author: lucasmz-dev

README.md

@@ -44,7 +44,7 @@ You can get FastSignal as a dependency on Wally.
 Add `lucasmzreal/fastsignal` in your dependencies and you're done.
 
 ```toml
-Signal = "lucasmzreal/fastsignal@10.3.2"
+Signal = "lucasmzreal/fastsignal@10.4.0"
 ```
 
 <a href="https://github.com/LucasMZReal/FastSignal/releases">

src/ReplicatedStorage/FastSignal/wally.toml

@@ -2,7 +2,7 @@
 
 name = "lucasmzreal/fastsignal"
 description = "FastSignal is a signal library made with consistency and expectable behaviour in mind, it is efficient, easy to use, and widely compatible."
-version = "10.3.2"
+version = "10.4.0"
 license = "MIT"
 authors = ["RBLXUtils", "LucasMZReal"]