fix(duckdb): preserve static CRT in Windows CI

.github/workflows/agents-release.yml

@@ -457,6 +457,9 @@ jobs:
       - name: Build DuckDB native driver
         shell: bash
         run: |
+          if [ "${{ runner.os }}" = "Windows" ]; then
+            export RUSTFLAGS="${RUSTFLAGS:+$RUSTFLAGS }-C target-feature=+crt-static"
+          fi
           if [ -n "${{ matrix.manylinux_image }}" ]; then
             docker run --rm \
               --user "$(id -u):$(id -g)" \

.github/workflows/ci.yml

@@ -156,6 +156,7 @@ jobs:
     env:
       CARGO_INCREMENTAL: "0"
       CARGO_TARGET_DIR: ${{ github.workspace }}/target/duckdb-driver
+      RUSTFLAGS: -C debuginfo=line-tables-only -C target-feature=+crt-static
       RUSTC_WRAPPER: sccache
     steps:
       - uses: actions/checkout@v5