Revert "Install bearssl to /usr"

This reverts commit 88d850e.

This doesn't fix macOS 14 and breaks other targets.

Author: michaelforney

.github/setup_ci.sh

@@ -189,8 +189,8 @@ if [ ! -z "${INSTALL_BEARSSL}" ]; then
     (cd ${HOME} &&
      git clone -b "${INSTALL_BEARSSL}" https://bearssl.org/git/BearSSL bearssl &&
      cd bearssl && make -j2 &&
-     sudo cp build/libbearssl.a /usr/lib &&
-     sudo cp inc/*.h /usr/include)
+     sudo cp build/libbearssl.a /usr/local/lib &&
+     sudo cp inc/*.h /usr/local/include)
 fi
 
 if [ ! -z "${INSTALL_LIBFIDO2}" ]; then