Temporarily disable vendor tests on macOS (botan)

.github/workflows/ci.yml

@@ -87,11 +87,6 @@ jobs:
           cd tests/core
           make
         timeout-minutes: 10
-      - name: Vendor library tests
-        run: |
-          cd tests/vendor
-          make
-        timeout-minutes: 10
       - name: Odin internals tests
         run: |
           cd tests/internal