Fix: move miri to the main CI so it gets run less

.github/workflows/main.yml

@@ -107,6 +107,37 @@ jobs:
       - uses: actions/checkout@v4
       - run: cargo clippy --workspace --examples --tests -- -D warnings
 
+  miri:
+    env:
+      CARGO_UNSTABLE_SPARSE_REGISTRY: 'true'
+      RUSTFLAGS: -Dwarnings
+      RUST_BACKTRACE: 1
+      MIRIFLAGS: -Zmiri-tag-gc=1
+      # Change to specific Rust release to pin
+      rust_stable: stable
+      rust_nightly: nightly-2023-11-16
+      rust_clippy: 1.70.0
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ilammy/setup-nasm@v1
+      - name: Install Rust ${{ env.rust_nightly }}
+        uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: ${{ env.rust_nightly }}
+          components: miri
+      - uses: Swatinem/rust-cache@v2
+      - name: miri
+        # Many of tests in tokio/tests and doctests use #[tokio::test] or
+        # #[tokio::main] that calls epoll_create1 that Miri does not support.
+        # run: cargo miri test --features full --lib --no-fail-fast
+        run: |
+          cargo miri test --package dioxus-core -- --exact --nocapture
+          cargo miri test --package dioxus-native-core --test miri_native  -- --exact --nocapture
+        env:
+          MIRIFLAGS: -Zmiri-disable-isolation -Zmiri-strict-provenance -Zmiri-retag-fields
+          PROPTEST_CASES: 10
+
   matrix_test:
     runs-on: ${{ matrix.platform.os }}
     env: