pip command change

Author: Fernando Cortez

.yamato/project-standards.yml

@@ -12,7 +12,7 @@ standards_{{ projects.first.name }}:
     - sudo add-apt-repository -y ppa:deadsnakes/ppa
     - sudo apt update
     - sudo apt install -y python3.9
-    - pip install unity-downloader-cli --upgrade
+    - python3 -m pip install unity-downloader-cli --upgrade
     - unity-downloader-cli -u {{ projects.first.test_editors.first }} -c editor --wait --fast
     - .Editor/Unity -batchmode -nographics -logFile - -executeMethod Packages.Rider.Editor.RiderScriptEditor.SyncSolution -projectPath {{ projects.first.path }} -quit
     - dotnet run --project dotnet-tools/netcode.standards -- --project={{ projects.first.path }} --check