chore(deps): update docker/setup-buildx-action digest to 8d2750c

Author: renovate-rancher[bot]

.github/workflows/tests.yml

@@ -60,7 +60,7 @@ jobs:
     - name: Setup QEMU
       uses: docker/setup-qemu-action@c7c53464625b32c7a7e944ae62b3e17d2b600130 # v3
     - name: Setup Docker Buildx
-      uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3
+      uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3
     - name: Checkout code
       uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
 
@@ -77,7 +77,7 @@ jobs:
     - name: Setup QEMU
       uses: docker/setup-qemu-action@c7c53464625b32c7a7e944ae62b3e17d2b600130 # v3
     - name: Setup Docker Buildx
-      uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3
+      uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3
     - name: Checkout code
       uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6