Merge bitcoin/bitcoin#33625: Update secp256k1 subtree to latest master

3cbf7cb Squashed 'src/secp256k1/' changes from b9313c6e1a..d543c0d917 (fanquake)

Pull request description:

  Updates the subtree to bitcoin-core/secp256k1@d543c0d
  Related to #33284.

ACKs for top commit:
  hebasto:
    ACK 879c210.
  janb84:
    ACK 879c210

Tree-SHA512: 1802cd84959b5c935170792f458651f30431fe8340ead7966ff381c1c0c3a9f6c21bbb8dd96a07482ffed49642ded49e80b61802e688b8351956b111dffd5a78

Author: fanquake

src/secp256k1/.github/actions/run-in-docker-action/action.yml

@@ -4,37 +4,35 @@ inputs:
   dockerfile:
     description: 'A Dockerfile that defines an image'
     required: true
-  tag:
-    description: 'A tag of an image'
-    required: true
+  scope:
+    description: 'A cached image scope'
+    required: false
+    default: ${{ runner.arch }}
   command:
     description: 'A command to run in a container'
-    required: false
-    default: ./ci/ci.sh
+    required: true
 runs:
   using: "composite"
   steps:
     - uses: docker/setup-buildx-action@v3
 
-    - uses: docker/build-push-action@v5
+    - uses: docker/build-push-action@v6
       id: main_builder
       continue-on-error: true
       with:
         context: .
         file: ${{ inputs.dockerfile }}
-        tags: ${{ inputs.tag }}
         load: true
-        cache-from: type=gha
+        cache-from: type=gha,scope=${{ inputs.scope }}
 
-    - uses: docker/build-push-action@v5
+    - uses: docker/build-push-action@v6
       id: retry_builder
       if: steps.main_builder.outcome == 'failure'
       with:
         context: .
         file: ${{ inputs.dockerfile }}
-        tags: ${{ inputs.tag }}
         load: true
-        cache-from: type=gha
+        cache-from: type=gha,scope=${{ inputs.scope }}
 
     - # Workaround for https://github.com/google/sanitizers/issues/1614 .
       # The underlying issue has been fixed in clang 18.1.3.
@@ -47,7 +45,8 @@ runs:
           $(echo '${{ toJSON(env) }}' | jq -r 'keys[] | "--env \(.) "') \
           --volume ${{ github.workspace }}:${{ github.workspace }} \
           --workdir ${{ github.workspace }} \
-          ${{ inputs.tag }} bash -c "
+          $(docker images -q | head -n1) \
+          bash -c "
             git config --global --add safe.directory ${{ github.workspace }}
             ${{ inputs.command }}
           "