chore: publish and use artifact for load-aggregator in CI

Author: dlachaume

.github/workflows/aggregator-stress-test.yml

@@ -52,20 +52,26 @@ jobs:
           workflow: ci.yml
           workflow_conclusion: success
 
+      - name: Download test runners
+        uses: dawidd6/action-download-artifact@v3
+        with:
+          name: mithril-tooling-Linux-X64
+          path: ./bin
+          commit: ${{ inputs.commit_sha }}
+          workflow: ci.yml
+          workflow_conclusion: success
+
       - name: Set permissions
         shell: bash
         working-directory: ./bin
-        run: chmod +x ./mithril-aggregator
-
-      - name: Build the aggregator stress test
-        working-directory: mithril-test-lab/mithril-end-to-end
-        run: make build
+        run: |
+          chmod +x ./mithril-aggregator
+          chmod +x ./load-aggregator
 
       - name: Run the aggregator stress test
-        working-directory: mithril-test-lab/mithril-end-to-end
         run: |
-            ./load-aggregator ${{ steps.prepare.outputs.debug_level }} \
-            --cardano-cli-path script/mock-cardano-cli \
-            --aggregator-dir ../../bin \
+            ./bin/load-aggregator ${{ steps.prepare.outputs.debug_level }} \
+            --cardano-cli-path ./mithril-test-lab/mithril-end-to-end/script/mock-cardano-cli \
+            --aggregator-dir ./bin \
             --num-signers=${{ inputs.num_signers }} \
             --num-clients=${{ inputs.num_clients }}

.github/workflows/ci.yml

@@ -32,7 +32,7 @@ jobs:
       # We separate the build in 2 steps as we want to avoid side effects with Rust feature unification.
       - name: Cargo build - Tooling
         shell: bash
-        run: cargo build --release -p mithril-end-to-end
+        run: cargo build --release --bin mithril-end-to-end --bin load-aggregator
 
       - name: Build Mithril workspace & publish artifacts
         uses: ./.github/workflows/actions/build-upload-mithril-artifact
@@ -58,8 +58,10 @@ jobs:
       - name: Publish End-to-end runner (${{ runner.os }}-${{ runner.arch }})
         uses: actions/upload-artifact@v4
         with:
-          name: mithril-end-to-end-${{ runner.os }}-${{ runner.arch }}
-          path: target/release/mithril-end-to-end
+          name: mithril-tooling-${{ runner.os }}-${{ runner.arch }}
+          path: |
+            target/release/mithril-end-to-end
+            target/release/load-aggregator
           if-no-files-found: error
 
       - name: Prepare test lab eras
@@ -302,7 +304,7 @@ jobs:
       - name: Download rust test runner
         uses: actions/download-artifact@v4
         with:
-          name: mithril-end-to-end-${{ runner.os }}-${{ runner.arch }}
+          name: mithril-tooling-${{ runner.os }}-${{ runner.arch }}
           path: ./
 
       - run: |