Renovate: docker/setup-buildx-action to c47758b (#577)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Paul Smith <[email protected]>

.github/workflows/main.yml

@@ -90,7 +90,7 @@ jobs:
         timeout-minutes: 30
         steps:
             - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
-            - uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db # v3
+            - uses: docker/setup-buildx-action@c47758b77c9736f4b2ef4073d4d51994fabfe349 # v3
             - name: Init Python
               uses: actions/setup-python@39cd14951b08e74b54015e9e001cdefcf80e669f # v5
               with: