Fix for windows

Author: Edouard-chin

.github/workflows/cibuildgem.yaml

@@ -25,6 +25,9 @@ jobs:
         with:
           ruby-version: "3.1.7"
           bundler-cache: true
+      - name: "Set RUST_TARGET for windows"
+        if: ${{ runner.os == 'Windows' }}
+        run: echo "RUST_TARGET=x86_64-pc-windows-gnu" >> $env:GITHUB_ENV
       - name: "Run cibuildgem"
         uses: "shopify/cibuildgem/.github/actions/cibuildgem@main"
         with:
@@ -51,6 +54,9 @@ jobs:
         with:
           crate: "b3sum"
           version: "1.5.1"
+      - name: "Set RUST_TARGET for windows"
+        if: ${{ runner.os == 'Windows' }}
+        run: echo "RUST_TARGET=x86_64-pc-windows-gnu" >> $env:GITHUB_ENV
       - name: "Run cibuildgem"
         uses: "shopify/cibuildgem/.github/actions/cibuildgem@main"
         with: