Bump actions/download-artifact from 1 to 4.1.7 in /.github/workflows

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 1 to 4.1.7.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v1...v4.1.7)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-type: direct:production
...

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

.github/workflows/aarch64.yml

@@ -26,7 +26,7 @@ jobs:
       - name: Download Crystal source
         uses: actions/checkout@v2
       - name: Download Crystal executable
-        uses: actions/download-artifact@v1
+        uses: actions/download-artifact@v4.1.7
         with:
           name: crystal-aarch64-musl
           path: .build/
@@ -44,7 +44,7 @@ jobs:
       - name: Download Crystal source
         uses: actions/checkout@v2
       - name: Download Crystal executable
-        uses: actions/download-artifact@v1
+        uses: actions/download-artifact@v4.1.7
         with:
           name: crystal-aarch64-musl
           path: .build/
@@ -77,7 +77,7 @@ jobs:
       - name: Download Crystal source
         uses: actions/checkout@v2
       - name: Download Crystal executable
-        uses: actions/download-artifact@v1
+        uses: actions/download-artifact@v4.1.7
         with:
           name: crystal-aarch64-gnu
           path: .build/
@@ -95,7 +95,7 @@ jobs:
       - name: Download Crystal source
         uses: actions/checkout@v2
       - name: Download Crystal executable
-        uses: actions/download-artifact@v1
+        uses: actions/download-artifact@v4.1.7
         with:
           name: crystal-aarch64-gnu
           path: .build/

.github/workflows/win.yml

@@ -160,7 +160,7 @@ jobs:
           echo "SOURCE_DATE_EPOCH=$(Get-Date -Millisecond 0 -UFormat %s)" >> ${env:GITHUB_ENV}
 
       - name: Download Crystal object file
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4.1.7
         with:
           name: objs
       - name: Build LLVM extensions