chore(deps): update actions/download-artifact action to v8

Author: renovate[bot]

.github/workflows/build-and-test.yml

@@ -52,7 +52,7 @@ jobs:
         target_arch: ["linux-64"]
     steps:
       - name: Download installer
-        uses: actions/download-artifact@v7
+        uses: actions/download-artifact@v8
         with:
           name: installer-${{ matrix.target_arch }}
       - name: Generate environment.yaml
@@ -79,7 +79,7 @@ jobs:
           cache: true
           environments: release
       - name: Download artifacts
-        uses: actions/download-artifact@v7
+        uses: actions/download-artifact@v8
         with:
           path: artifacts
       - name: Create release notes
@@ -123,7 +123,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: Download installer
-        uses: actions/download-artifact@v7
+        uses: actions/download-artifact@v8
         with:
           name: ${{ matrix.installer }}
       - name: Run tests
@@ -141,7 +141,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: Download installer
-        uses: actions/download-artifact@v7
+        uses: actions/download-artifact@v8
         with:
           name: installer-osx-64
       - name: Run tests
@@ -163,7 +163,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: Download installer
-        uses: actions/download-artifact@v7
+        uses: actions/download-artifact@v8
         with:
           name: installer-osx-arm64
       - name: Run tests
@@ -190,7 +190,7 @@ jobs:
         with:
           python-version: '3.14'
       - name: Download installer
-        uses: actions/download-artifact@v7
+        uses: actions/download-artifact@v8
         with:
           name: installer-linux-64
       - name: Prepare environment