update setup-buildx-action

Signed-off-by: Andrew Whitehead <cywolf@gmail.com>

Author: andrewwhitehead

.github/workflows/tests-indy.yml

@@ -29,7 +29,7 @@ jobs:
             ${{ runner.os }}-buildx-test-
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v2
 
       - name: Build test image
         uses: docker/build-push-action@v3