cicd: separate sanitize workflow + manual trigger for build workflow

.github/workflows/build.yml

@@ -6,6 +6,7 @@ env:
   CROSS_DEBUG: 1
 
 on:
+  workflow_dispatch:
   workflow_call:
     inputs:
       ref:
@@ -174,34 +175,3 @@ jobs:
           lib/binding_web/tree-sitter.wasm
         if-no-files-found: error
         retention-days: 7
-
-  check_undefined_behaviour:
-    name: Undefined behaviour checks
-    runs-on: ubuntu-latest
-    env:
-      TREE_SITTER: ${{ github.workspace }}/target/release/tree-sitter
-    steps:
-    - name: Checkout source code
-      uses: actions/checkout@v3
-
-    - name: Install UBSAN library
-      run: sudo apt-get install -y libubsan1
-
-    - name: Install Rust toolchain
-      uses: dtolnay/rust-toolchain@stable
-
-    - name: Build CLI
-      run: cargo build --release
-
-    - name: Fetch fixtures
-      run: script/fetch-fixtures
-
-    - name: Generate fixtures
-      run: script/generate-fixtures
-
-    - name: Run main tests with undefined behaviour sanitizer (UBSAN)
-      env:
-        UBSAN_OPTIONS: halt_on_error=1
-        CFLAGS: -fsanitize=undefined
-        RUSTFLAGS: -lubsan
-      run: cargo test -- --test-threads 1