Bump actions/upload-artifact from 5 to 6

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 5 to 6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v5...v6)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/linux.yml

@@ -149,7 +149,7 @@ jobs:
           cd out/Debug
           mkdir artifact
           mv {Telegram,Updater} artifact/
-      - uses: actions/upload-artifact@v5
+      - uses: actions/upload-artifact@v6
         if: env.UPLOAD_ARTIFACT == 'true'
         name: Upload artifact.
         with:

.github/workflows/mac.yml

@@ -131,7 +131,7 @@ jobs:
           mkdir artifact
           mv Telegram.app artifact/
           mv Updater artifact/
-      - uses: actions/upload-artifact@v5
+      - uses: actions/upload-artifact@v6
         if: env.UPLOAD_ARTIFACT == 'true'
         name: Upload artifact.
         with:

.github/workflows/mac_packaged.yml

@@ -187,7 +187,7 @@ jobs:
           cd $REPO_NAME/build
           mkdir artifact
           mv Telegram.dmg artifact/
-      - uses: actions/upload-artifact@v5
+      - uses: actions/upload-artifact@v6
         if: env.UPLOAD_ARTIFACT == 'true'
         name: Upload artifact.
         with:

.github/workflows/snap.yml

@@ -79,7 +79,7 @@ jobs:
           mkdir artifact
           mv $artifact_name artifact
 
-      - uses: actions/upload-artifact@v5
+      - uses: actions/upload-artifact@v6
         if: env.UPLOAD_ARTIFACT == 'true'
         name: Upload artifact.
         with:

.github/workflows/win.yml

@@ -202,7 +202,7 @@ jobs:
           mkdir artifact
           move %OUT%\Telegram.exe artifact/
           move %OUT%\Updater.exe artifact/
-      - uses: actions/upload-artifact@v5
+      - uses: actions/upload-artifact@v6
         name: Upload artifact.
         if: (env.UPLOAD_ARTIFACT == 'true') || (github.ref == 'refs/heads/nightly')
         with: