fix: shasum file in release ci (#109)

Author: hantmac

.github/workflows/release.yaml

@@ -82,7 +82,7 @@ jobs:
       - name: Post sha256
         uses: actions/upload-artifact@v4
         with:
-          name: sha256sums
+          name: sha256sums-${{ steps.get_matrix.outputs.OS }}-${{ steps.get_matrix.outputs.ARCH }}
           path: ./_bin/sha256-${{ steps.get_matrix.outputs.OS }}-${{ steps.get_matrix.outputs.ARCH }}.txt
           retention-days: 1
   upload-sha256sums-plugin:
@@ -98,12 +98,14 @@ jobs:
       - name: Download sha256sums
         uses: actions/download-artifact@v4.1.7
         with:
-          name: sha256sums
+          name: 'sha256sums-*'
+          path: sha256sums
       - shell: bash
         run: |
-          for file in *.txt
+          cd sha256sums
+          for file in */*.txt
           do
-            cat ${file} >> sha256sums.txt
+            cat ${file} >> ../sha256sums.txt
           done
       - name: Upload Checksums
         uses: actions/upload-release-asset@v1.0.2
@@ -113,4 +115,4 @@ jobs:
           asset_name: sha256sums-${{ steps.get_release.outputs.tag_name }}.txt
           asset_content_type: text/plain
       - name: Update kubectl plugin version in krew-index
-        uses: rajatjindal/krew-release-bot@v0.0.43
+        uses: rajatjindal/krew-release-bot@v0.0.43