Bump actions/upload-artifact from 2 to 3 (game-ci#180)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 2 to 3.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v2...v3)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/main.yml

@@ -62,7 +62,7 @@ jobs:
           testMode: ${{ matrix.testMode }}
           artifactsPath: ${{ matrix.testMode }}-artifacts
           customParameters: -profile SomeProfile -someBoolean -someValue exampleValue
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v3
         with:
           name: Test results for ${{ matrix.testMode }}
           path: ${{ steps.tests.outputs.artifactsPath }}
@@ -109,7 +109,7 @@ jobs:
 
       # Upload artifacts
       - name: Upload test results
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: Test results (all)
           path: ${{ steps.allTests.outputs.artifactsPath }}
@@ -156,7 +156,7 @@ jobs:
 
       # Upload artifacts
       - name: Upload test results
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: Test results (edit mode)
           path: ${{ steps.editMode.outputs.artifactsPath }}
@@ -203,7 +203,7 @@ jobs:
 
       # Upload artifacts
       - name: Upload test results
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: Test results (play mode)
           path: ${{ steps.playMode.outputs.artifactsPath }}
@@ -258,7 +258,7 @@ jobs:
 
       # Upload combined artifacts
       - name: Upload combined test results
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: Test results (combined)
           path: artifacts/