CI: Build the coverage job with STATIC_DEPS=true to make it independent of the system libraries.

Author: scoder

.github/workflows/ci.yml

@@ -71,7 +71,7 @@ jobs:
           # Coverage setup
           - os: ubuntu-latest
             python-version: "3.10"
-            env: { COVERAGE: true }
+            env: { COVERAGE: true, STATIC_DEPS: true }
             extra_hash: "-coverage"
             allowed_failure: true   # shouldn't fail but currently does...
           - os: ubuntu-latest