Exclude coverage from FreeBSD workflow.

Since https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=291233 is
not fixed in 15.x.

.github/workflows/others.yml

diff --git a/.github/workflows/others.yml b/.github/workflows/others.yml
index 22ce2f2..11a7bcf 100644
--- a/.github/workflows/others.yml
+++ b/.github/workflows/others.yml
@@ -44,7 +44,7 @@
         run: |
           cmake . -B build -DZLIB_BUILD_MINIZIP=ON -DMINIZIP_ENABLE_BZIP2=ON
           cmake --build build/
-          ctest --test-dir build --output-on-failure
+          ctest --test-dir build --output-on-failure -E .*summary
 
   netbsd:
     runs-on: ubuntu-latest