fix(ci): Update GitHub Actions to v4 to resolve deprecation warnings

Author: skbill84

.github/workflows/build_wheels.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Build
         run: |
@@ -32,7 +32,7 @@ jobs:
           cd build
           ctest --no-tests=error --output-on-failure
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: executable
           path: ./build/executable/dbscan
@@ -70,7 +70,7 @@ jobs:
         os: ${{ fromJson(needs.generate_matrix.outputs.OSES) }}
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -89,7 +89,7 @@ jobs:
           CIBW_TEST_EXTRAS: "py36"
           CIBW_TEST_COMMAND: "pytest {package}/test"
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: wheels
           path: ./wheelhouse/*.whl
@@ -99,14 +99,14 @@ jobs:
     runs-on: ubuntu-latest
     if: startsWith(github.ref, 'refs/tags/v')
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
       - name: Build sdist
         run: pipx run build --sdist
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: wheels
           path: dist/*.tar.gz
@@ -119,7 +119,7 @@ jobs:
     # alternatively, to publish when a GitHub Release is created, use the following rule:
     # if: github.event_name == 'release' && github.event.action == 'published'
     steps:
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
           # unpacks default artifact into dist/
           # if `name: artifact` is omitted, the action will create extra parent dir