ci: make builds and tests always verbose for better debugging

- Update Makefile to use --verbose flag by default for build and test targets
- Simplify CI workflow to use standard make targets instead of verbose variants
- Improve debugging visibility in CI by showing detailed cargo output

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

.github/workflows/ci.yml

@@ -44,9 +44,9 @@ jobs:
         key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}
 
     - run: make verify-cross-compile
-    - run: make build-verbose
-    - run: make test-verbose
-    - run: make test-e2e-verbose
+    - run: make build
+    - run: make test
+    - run: make test-e2e
     - run: make run-built-image
 
   fmt: