Set MSRV to 1.47

.github/workflows/test.yml

@@ -8,6 +8,10 @@ env:
 jobs:
   test:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        rust: [stable, 1.47]
 
     steps:
     - name: Install dependencies

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "webp-animation"
-version = "0.4.1"
+version = "0.5.0"
 authors = ["Mika Vatanen <[email protected]>"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"
@@ -11,6 +11,7 @@ A high-level Rust wrapper for decoding and encoding WebP animations
 keywords = ["webp", "webp-animation", "decoder", "encoder"]
 categories = ["multimedia::images", "multimedia", "api-bindings"]
 edition = "2018"
+rust-version = "1.47"
 
 [dependencies]
 image = { version = "0.23.14", default_features = false, optional = true }

README.md

@@ -104,6 +104,10 @@ std::fs::write("my_animation.webp", webp_data).unwrap();
 See [docs](https://docs.rs/webp-animation/0.1.3/webp_animation/) for other encoding options, e.g.
 for lossy encoding.
 
+## Rust Version Support
+
+The minimum supported Rust version is 1.47
+
 ## Future plans
 
 Keep up with upstream `libwebp` changes.