CI: fix clap test

Signed-off-by: falkTX <falktx@falktx.com>

.github/workflows/build.yml

@@ -394,12 +394,12 @@ jobs:
             done
       - name: Test CLAP plugins
         run: |
-            for p in $(ls bin/ | grep clap); do \
+            for p in $(find bin/ -type f | grep '.*\.clap$'); do \
                 env CARLA_BRIDGE_DUMMY=1 CARLA_BRIDGE_TESTING=native \
                     valgrind \
                     --error-exitcode=255 \
                     --leak-check=full \
                     --track-origins=yes \
                     --suppressions=./dpf/utils/valgrind-dpf.supp \
-                    /usr/lib/carla/carla-bridge-native clap ./bin/${p} "" 1>/dev/null; \
+                    /usr/lib/carla/carla-bridge-native clap ./${p} "" 1>/dev/null; \
             done