Bump actions/download-artifact from 7 to 8

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 7 to 8.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](https://github.com/actions/download-artifact/compare/v7...v8)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: '8'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/build-and-push-docker-image.yml

@@ -45,7 +45,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Fetch built PHAR from artifacts
-        uses: actions/download-artifact@v7
+        uses: actions/download-artifact@v8
         with:
           name: pie-${{ github.sha }}.phar
 

.github/workflows/build-assets.yml

@@ -124,7 +124,7 @@ jobs:
           echo "PIE_BINARY_OUTPUT=pie-${{ runner.os }}-${{ runner.arch }}.exe" >> $env:GITHUB_ENV
 
       - name: Grab the pie.phar from artifacts
-        uses: actions/download-artifact@v7
+        uses: actions/download-artifact@v8
         with:
           name: pie-${{ github.sha }}.phar
 

.github/workflows/docs.yml

@@ -37,11 +37,11 @@ jobs:
       - name: Build documentation
         run: .github/docs/build-docs.sh
       - name: Fetch built PHAR from artifacts
-        uses: actions/download-artifact@v7
+        uses: actions/download-artifact@v8
         with:
           name: pie-${{ github.sha }}.phar
       - name: Fetch the executable PIEs from artifacts
-        uses: actions/download-artifact@v7
+        uses: actions/download-artifact@v8
         with:
           path: executable-pie-binaries
           pattern: pie-${{ github.sha }}-*.bin

.github/workflows/release.yml

@@ -49,11 +49,11 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: Fetch built PHAR from artifacts
-        uses: actions/download-artifact@v7
+        uses: actions/download-artifact@v8
         with:
           name: pie-${{ github.sha }}.phar
       - name: Fetch the executable PIEs from artifacts
-        uses: actions/download-artifact@v7
+        uses: actions/download-artifact@v8
         with:
           path: executable-pie-binaries
           pattern: pie-${{ github.sha }}-*.bin