Create GitHub release automatically (#69)

Author: taiki-e

.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v3
       - name: Install Rust
         run: rustup update stable
       - run: rustup component add rust-src
@@ -31,31 +31,31 @@ jobs:
   minrust:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Install Rust
         run: rustup update ${{ env.minrust }} && rustup default ${{ env.minrust }}
       - run: cargo build --all-features
 
   fmt:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v3
       - name: Install Rust
         run: rustup update stable
       - run: cargo fmt --all -- --check
 
   clippy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v3
       - name: Install Rust
         run: rustup update stable
       - run: cargo clippy --all-features
 
   docs:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Install Rust
         run: rustup update nightly && rustup default nightly
       - run: cargo doc --no-deps --all-features

.github/workflows/release.yml

@@ -0,0 +1,19 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - v[0-9]+.*
+
+jobs:
+  create-release:
+    if: github.repository_owner == 'tokio-rs'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: taiki-e/create-gh-release-action@v1
+        with:
+          changelog: async-stream/CHANGELOG.md
+          branch: master
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}