build(push-next): run against stable and nightly

.forgejo/workflows/push-next.yml

@@ -12,27 +12,30 @@ env:
 jobs:
   build:
     runs-on: docker
+    strategy:
+      matrix:
+        version: [stable, nightly]
 
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Format
-        uses: https://git.kemitix.net/kemitix/rust@v1.80.1-1
+      - name: Format ${{ matrix.version }}
+        uses: https://git.kemitix.net/kemitix/rust@v1.81.0-1
         with:
-          args: cargo fmt --all -- --check
+          args: cargo +${{ matrix.version }} fmt --all -- --check
 
-      - name: Clippy
-        uses: https://git.kemitix.net/kemitix/rust@v1.80.1-1
+      - name: Clippy ${{ matrix.version }}
+        uses: https://git.kemitix.net/kemitix/rust@v1.81.0-1
         with:
-          args: cargo hack --feature-powerset clippy
+          args: cargo +${{ matrix.version }} hack --feature-powerset clippy
 
-      - name: Build
-        uses: https://git.kemitix.net/kemitix/rust@v1.80.1-1
+      - name: Build ${{ matrix.version }}
+        uses: https://git.kemitix.net/kemitix/rust@v1.81.0-1
         with:
-          args: cargo hack --feature-powerset build
+          args: cargo +${{ matrix.version }} hack --feature-powerset build
 
-      - name: Test
-        uses: https://git.kemitix.net/kemitix/rust@v1.80.1-1
+      - name: Test ${{ matrix.version }}
+        uses: https://git.kemitix.net/kemitix/rust@v1.81.0-1
         with:
-          args: cargo hack --feature-powerset test
+          args: cargo +${{ matrix.version }} hack --feature-powerset test