CI mac: small updates for arm64

- missing sudo
- /usr/local/include mkdir for EWS

.github/scripts/install-common-deps.sh

@@ -36,6 +36,7 @@ download_install_cineform() {(
 )}
 
 install_ews() {
+        sudo mkdir -p /usr/local/include
         sudo curl -LS https://raw.githubusercontent.com/hellerf/\
 EmbeddableWebServer/master/EmbeddableWebServer.h -o \
 /usr/local/include/EmbeddableWebServer.h

.github/scripts/macOS/install_others.sh

@@ -91,7 +91,7 @@ install_live555() {(
         cd live555
         git checkout 35c375
         ./genMakefiles macosx
-        make -j "$(sysctl -n hw.ncpu)" install
+        sudo make -j "$(sysctl -n hw.ncpu)" install
 )}
 
 install_soundfont() {(