build(deps): 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](actions/upload-artifact@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>

Author: dependabot[bot]

.github/workflows/tree-sitter.yml

@@ -82,7 +82,7 @@ jobs:
             ${{ env.EXAMPLES_DIR }}/**
 
       - name: Upload errors
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         if: steps.examples.outputs.failures != ''
         with:
           name: failures
@@ -113,7 +113,7 @@ jobs:
         run: tree-sitter build --output "$BUILD_OUTPUT"
 
       - name: Upload output
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: Parser library (${{ matrix.os }})
           path: "$BUILD_OUTPUT"
@@ -151,7 +151,7 @@ jobs:
         run: tree-sitter build --wasm --output "$BUILD_OUTPUT"
 
       - name: Upload output
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: WASM library (${{ matrix.os }})
           path: "$BUILD_OUTPUT"
@@ -181,7 +181,7 @@ jobs:
           test-zig: false
 
       - name: Upload output
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         if: steps.examples.outputs.failures != ''
         with:
           name: failures-${{matrix.os}}