chore: upload test builds

Upload fuse-overlayfs as job artifacts.

Signed-off-by: Leopold Talirz <leopold.talirz@gmail.com>

.github/workflows/test.yaml

@@ -38,9 +38,16 @@ jobs:
 
           run: |
             ./autogen.sh
-            ./configure
+            LIBS="-ldl" LDFLAGS="-static" ./configure
             make -j $(nproc)
 
+      - name: Archive build artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: fuse-overlayfs-${{ matrix.arch }}-${{ matrix.distro }}
+          path: |
+            fuse-overlayfs
+
   Test:
     runs-on: ubuntu-20.04
     strategy:
@@ -72,7 +79,7 @@ jobs:
 
     - name: run configure
       run: |
-        ./configure
+        LIBS="-ldl" LDFLAGS="-static" ./configure
 
     - name: build and install
       run: |
@@ -80,6 +87,14 @@ jobs:
         sudo make -j install
         sudo cp fuse-overlayfs /sbin
 
+    - name: Archive build artifacts
+      uses: actions/upload-artifact@v3
+      with:
+        name: fuse-overlayfs-x86_64-ubuntu20.04
+        path: |
+          fuse-overlayfs
+      if: ${{ matrix.test == 'ovl-whiteouts' }}
+
     - name: run test
       run: |
         case "${{ matrix.test }}" in