Bump actions/upload-artifact from 2.2.4 to 2.3.0 (#3395)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 2.2.4 to 2.3.0.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v2.2.4...v2.3.0)

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

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

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

.github/workflows/build.yml

@@ -121,7 +121,7 @@ jobs:
 
       - name: Upload artifact (Windows)
         if: startsWith(matrix.os, 'windows')
-        uses: actions/upload-artifact@v2.2.4
+        uses: actions/upload-artifact@v2.3.0
         with:
           name: chatterino-windows-x86-64-${{ matrix.qt-version }}-${{ matrix.build-system }}.zip
           path: build/chatterino-windows-x86-64.zip
@@ -190,14 +190,14 @@ jobs:
 
       - name: Upload artifact - AppImage (Ubuntu)
         if: startsWith(matrix.os, 'ubuntu')
-        uses: actions/upload-artifact@v2.2.4
+        uses: actions/upload-artifact@v2.3.0
         with:
           name: Chatterino-x86_64-${{ matrix.qt-version }}-${{ matrix.build-system }}.AppImage
           path: build/Chatterino-x86_64.AppImage
 
       - name: Upload artifact - .deb (Ubuntu)
         if: startsWith(matrix.os, 'ubuntu')
-        uses: actions/upload-artifact@v2.2.4
+        uses: actions/upload-artifact@v2.3.0
         with:
           name: Chatterino-${{ matrix.qt-version }}-${{ matrix.build-system }}.deb
           path: build/Chatterino.deb
@@ -243,7 +243,7 @@ jobs:
 
       - name: Upload artifact (MacOS)
         if: startsWith(matrix.os, 'macos')
-        uses: actions/upload-artifact@v2.2.4
+        uses: actions/upload-artifact@v2.3.0
         with:
           name: chatterino-osx-${{ matrix.qt-version }}-${{ matrix.build-system }}.dmg
           path: build/chatterino-osx.dmg