Update example matrix in README.md

README.md

@@ -9,21 +9,38 @@ Here's a simplified example from the test and release workflow for
 ```yaml
 jobs:
   release:
-    name: Release - ${{ matrix.platform.release_for }}
+    name: Release - ${{ matrix.platform.os-name }}
     strategy:
       matrix:
         platform:
-          - os_name: Windows-x86_64
+          - os-name: FreeBSD-x86_64
-            os: windows-latest
+            runs-on: ubuntu-20.04
-            target: x86_64-pc-windows-msvc
+            target: x86_64-unknown-freebsd
             skip_tests: true
-          - os_name: macOS-x86_64
+
-            os: macOS-latest
+          - os-name: Linux-x86_64
+            runs-on: ubuntu-20.04
+            target: x86_64-unknown-linux-musl
+
+          - os-name: Linux-aarch64
+            runs-on: ubuntu-20.04
+            target: aarch64-unknown-linux-musl
+
+          - os-name: Linux-riscv64
+            runs-on: ubuntu-20.04
+            target: riscv64gc-unknown-linux-gnu
+
+          - os-name: Windows-x86_64
+            runs-on: windows-latest
+            target: x86_64-pc-windows-msvc
+
+          - os-name: macOS-x86_64
+            runs-on: macOS-latest
             target: x86_64-apple-darwin
 
           # more targets here ...
 
-    runs-on: ${{ matrix.platform.os }}
+    runs-on: ${{ matrix.platform.runs-on }}
     steps:
       - name: Checkout
         uses: actions/checkout@v3