Bump rui314/setup-mold

Bumps [rui314/setup-mold](https://github.com/rui314/setup-mold) from b015f7e3f2938ad3a5ed6e5111a8c6c7c1d6db6e to bac87d5a5820d626ba77131fbbfbce77faf03b6e.
- [Commits](rui314/setup-mold@b015f7e...bac87d5)

---
updated-dependencies:
- dependency-name: rui314/setup-mold
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -20,7 +20,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: rui314/setup-mold@b015f7e3f2938ad3a5ed6e5111a8c6c7c1d6db6e
+      - uses: rui314/setup-mold@bac87d5a5820d626ba77131fbbfbce77faf03b6e
 
       - name: Build
         run: make build
@@ -32,7 +32,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: rui314/setup-mold@b015f7e3f2938ad3a5ed6e5111a8c6c7c1d6db6e
+      - uses: rui314/setup-mold@bac87d5a5820d626ba77131fbbfbce77faf03b6e
 
       - name: Check formatting and clippy
         run: make lint
@@ -43,7 +43,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: rui314/setup-mold@b015f7e3f2938ad3a5ed6e5111a8c6c7c1d6db6e
+      - uses: rui314/setup-mold@bac87d5a5820d626ba77131fbbfbce77faf03b6e
 
       - name: Run unit tests
         run: make test