Bump MSRV to 1.80

Author: hecrj

.github/workflows/test.yml

@@ -8,7 +8,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macOS-latest]
-        rust: [stable, beta, 1.77]
+        rust: [stable, beta, 1.80]
     steps:
     - uses: hecrj/setup-rust-action@v2
       with:

Cargo.toml

@@ -125,7 +125,7 @@ repository = "https://github.com/iced-rs/iced"
 homepage = "https://iced.rs"
 categories = ["gui"]
 keywords = ["gui", "ui", "graphics", "interface", "widgets"]
-rust-version = "1.77"
+rust-version = "1.80"
 
 [workspace.dependencies]
 iced = { version = "0.13.0-dev", path = "." }