chore(deps): update docker/build-push-action digest to c84f382 (#19)

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

[skip ci]

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -48,7 +48,7 @@ jobs:
 
       - name: Run unit tests
         id: docker_build_unit_test
-        uses: docker/build-push-action@1cb9d22b932e4832bb29793b7777ec860fc1cde0 # tag=v3
+        uses: docker/build-push-action@c84f38281176d4c9cdb1626ffafcd6b3911b5d94 # tag=v3
         with:
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,dest=/tmp/.buildx-cache
@@ -57,7 +57,7 @@ jobs:
 
       - name: Build and push
         id: docker_build
-        uses: docker/build-push-action@1cb9d22b932e4832bb29793b7777ec860fc1cde0 # tag=v3
+        uses: docker/build-push-action@c84f38281176d4c9cdb1626ffafcd6b3911b5d94 # tag=v3
         with:
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,dest=/tmp/.buildx-cache