chore(deps): update docker/setup-buildx-action digest to 8d2750c (#3936)

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/next-build-image.yaml

@@ -213,7 +213,7 @@ jobs:
           uses: ./.github/actions/get-sha
 
         - name: Set up Docker Buildx
-          uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3
+          uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3
 
         - name: Set container metadata (for :next builds, 14d expiry)
           id: meta-next

.github/workflows/push-e2e-runner.yaml

@@ -60,7 +60,7 @@ jobs:
         uses: ./.github/actions/get-sha
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3
 
       - name: Login to Quay
         uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3