feat: download pre-built SIPNET binaries for macOS and Linux

- Added steps to download SIPNET binaries directly from Google Drive.
- Removed the compilation step to streamline the workflow.

.github/workflows/ci.yml

@@ -58,7 +58,12 @@ jobs:
         R:
           - "4.2"
           - "4.1"
-    uses: ./.github/workflows/sipnet.yml
-    with:
-      R-version: ${{ matrix.R }}
-    secrets: inherit
+    runs-on: ubuntu-latest
+    steps:
+      - name: Build SIPNET
+        run: make sipnet
+      - name: Upload SIPNET binary
+        uses: actions/upload-artifact@v2
+        with:
+          name: sipnet-binary
+          path: path/to/sipnet/binary

.github/workflows/sipnet.yml

@@ -49,16 +49,15 @@ jobs:
       run: ./scripts/add.models.sh
 
     # install sipnet
-    - name: Check out SIPNET
-      uses: actions/checkout@v4
-      with:
-        repository: PecanProject/sipnet
-        path: sipnet
-        set-safe-directory: false
-    - name: install sipnet
+    - name: Download SIPNET for macOS
+      run: |
+        curl -L -o sipnet-macos "https://drive.google.com/uc?export=download&id=1psNvSw77VcD5QdbSWeGNVQsbCmJokG2W"
+        chmod +x sipnet-macos
+
+    - name: Download SIPNET for Linux
       run: |
-        cd ${GITHUB_WORKSPACE}/sipnet
-        make sipnet
+        curl -L -o sipnet-linux "https://drive.google.com/uc?export=download&id=1sRTFfs9Z9osmMrtLlwVTqxeUDxgVlrEv"
+        chmod +x sipnet-linux
 
     # compile PEcAn code
     - name: build