Bump DiscordRPC plugin to v12 (#704)

Co-authored-by: Zanieon <william-millennium@hotmail.com>

.github/workflows/release.yml

@@ -34,7 +34,7 @@ jobs:
           wget "https://github.com/R2Northstar/NorthstarLauncher/releases/download/${{ env.NORTHSTAR_VERSION }}/northstar-launcher.zip"
       - name: Download DiscordRPC plugin
         run:
-          wget "https://github.com/R2Northstar/NorthstarDiscordRPC/releases/download/v10/northstar-discord-rpc.zip"
+          wget "https://github.com/R2Northstar/NorthstarDiscordRPC/releases/download/v12/northstar-discord-rpc.zip"
       - name: Download compiled stubs
         run:
           wget "https://github.com/R2Northstar/NorthstarStubs/releases/download/v1/NorthstarStubs.zip"
@@ -67,12 +67,12 @@ jobs:
 
           unzip NorthstarStubs.zip -d northstar/bin/x64_dedi
           unzip northstar-launcher.zip -d northstar
-          rsync -avr --exclude="Northstar.Coop" --exclude=".git*" northstar-mods/. northstar/R2Northstar/mods
+          rsync -avr --exclude="Northstar.Coop" --exclude=".git*" --exclude="*.md" northstar-mods/. northstar/R2Northstar/mods
       - name: Checkout Navmesh repository
         uses: actions/checkout@v4
         with:
           repository: R2Northstar/NorthstarNavs
-          ref: 'v3'
+          ref: 'v4'
           path: northstar-navs
       - name: Navmeshes setup
         run: |