[gh-actions] Simplify the macOS build

Credit @hackitwack

.github/workflows/macos.yml

@@ -49,36 +49,17 @@ jobs:
         sudo make install
         cd ..
 
-    - name: Install sqlite
-      # When GH actions has 3.43.0_1+, which has unlock-notify, then this can be
-      # removed and we can just install brew's sqlite
-      run: |
-        wget https://www.sqlite.org/2020/sqlite-autoconf-3310100.tar.gz
-        tar xzf sqlite-autoconf-3310100.tar.gz
-        cd sqlite-autoconf-3310100
-        export CFLAGS='-DSQLITE_ENABLE_UNLOCK_NOTIFY=1'
-        ./configure
-        make
-        sudo make install
-        cd ..
-
-    - name: Install ffmpeg
-      # The libbluray ffmpeg dependency fails without the chown (source: stackoverflow)
-      run: |
-        sudo chown -R $(whoami) $(brew --prefix)/*
-        brew install ffmpeg
-
     - name: Install other dependencies
       # libxml2 is included with Mac OS
       run: |
-        brew install libunistring confuse libplist libwebsockets libevent libgcrypt json-c protobuf-c libsodium gnutls pulseaudio openssl
+        brew install libunistring confuse libplist libwebsockets libevent libgcrypt json-c protobuf-c libsodium gnutls pulseaudio openssl ffmpeg sqlite
 
     - name: Configure
       # We configure a non-privileged setup, since how to add a "owntone" system
       # user in MacOS isn't clear to me (useradd etc. isn't available)
       run: |
-        export CFLAGS="-I$(brew --prefix)/include"
+        export CFLAGS="-I$(brew --prefix)/include -I$(brew --prefix sqlite)/include"
-        export LDFLAGS="-L$(brew --prefix)/lib"
+        export LDFLAGS="-L$(brew --prefix)/lib -L$(brew --prefix sqlite)/lib"
         autoreconf -fi
         ./configure --prefix=$HOME/owntone_data/usr --sysconfdir=$HOME/owntone_data/etc --localstatedir=$HOME/owntone_data/var --enable-chromecast --with-pulseaudio