chore: add mold to github action

.github/workflows/auto-pr-rebuild-script.yml

@@ -57,6 +57,12 @@ jobs:
           cache-on-failure: true
           save-if: ${{ github.event_name != 'merge_group' }}
 
+      - name: Install mold linker
+        uses: rui314/setup-mold@v1
+        if: ${{ runner.os == 'Linux' }}
+        with:
+          make-default: true
+
       - name: Build Nargo
         run: cargo build --package nargo_cli --release
 

.github/workflows/build-aztec-feature-flag.yml

@@ -41,5 +41,11 @@ jobs:
           cache-on-failure: true
           save-if: ${{ github.event_name != 'merge_group' }}
 
+      - name: Install mold linker
+        uses: rui314/setup-mold@v1
+        if: ${{ runner.os == 'Linux' }}
+        with:
+          make-default: true
+
       - name: Build with feature flag
         run: cargo build --features="noirc_frontend/aztec"

.github/workflows/gates_report.yml

@@ -26,6 +26,12 @@ jobs:
           cache-on-failure: true
           save-if: ${{ github.event_name != 'merge_group' }}
 
+      - name: Install mold linker
+        uses: rui314/setup-mold@v1
+        if: ${{ runner.os == 'Linux' }}
+        with:
+          make-default: true
+
       - name: Build Nargo
         run: cargo build --package nargo_cli --release
 

.github/workflows/publish-nargo.yml

@@ -55,6 +55,12 @@ jobs:
           cache-on-failure: true
           save-if: ${{ github.event_name != 'merge_group' }}
 
+      - name: Install mold linker
+        uses: rui314/setup-mold@v1
+        if: ${{ runner.os == 'Linux' }}
+        with:
+          make-default: true
+
       - name: Build environment and Compile
         run: |
           cargo build --package nargo_cli --release --target ${{ matrix.target }} --no-default-features --features "${{ inputs.features }}"
@@ -138,6 +144,12 @@ jobs:
           cache-on-failure: true
           save-if: ${{ github.event_name != 'merge_group' }}
 
+      - name: Install mold linker
+        uses: rui314/setup-mold@v1
+        if: ${{ runner.os == 'Linux' }}
+        with:
+          make-default: true
+
       - name: Install Cross
         uses: taiki-e/install-action@v2
         with:

.github/workflows/test-noir_wasm.yml

@@ -31,6 +31,12 @@ jobs:
           cache-on-failure: true
           save-if: ${{ github.event_name != 'merge_group' }}
 
+      - name: Install mold linker
+        uses: rui314/setup-mold@v1
+        if: ${{ runner.os == 'Linux' }}
+        with:
+          make-default: true
+
       - name: Build Nargo
         run: cargo build --package nargo_cli --release
 

.github/workflows/test-rust-workspace.yml

@@ -41,5 +41,11 @@ jobs:
           cache-on-failure: true
           save-if: ${{ github.event_name != 'merge_group' }}
 
+      - name: Install mold linker
+        uses: rui314/setup-mold@v1
+        if: ${{ runner.os == 'Linux' }}
+        with:
+          make-default: true
+
       - name: Run tests
         run: cargo test --workspace --locked --release