[+] bump actions/upload-artifact from 2 to 3

Author: pashagolub

.github/workflows/build.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
-    
+
     - name: Install Lazarus
       uses: gcarreno/setup-lazarus@v3.2
       with:
@@ -32,7 +32,7 @@ jobs:
       run: lazbuild -B --ws=cocoa "pg_timetable_gui.lpi"
 
     - name: Upload build artifacts
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v3
       with:
         name: pg_timetable_gui for ${{ matrix.operating-system }}
         retention-days: 3