Use namespace.so for coverage runs (faster, more disk) (project-chip#41984)

Author: andy31415

.github/workflows/build.yaml

@@ -510,7 +510,9 @@ jobs:
             TSAN_OPTIONS: "halt_on_error=1 suppressions=scripts/tests/chiptest/tsan-linux-suppressions.txt"
 
         if: github.actor != 'restyled-io[bot]' && inputs.run-codeql != true
-        runs-on: ubuntu-latest
+        # Use namespace to get more disk space and slightly better performance (Compile and unit tests
+        # are CPU bound)
+        runs-on: namespace-profile-4x8
 
         container:
             image: ghcr.io/project-chip/chip-build:174