[CI] Workflow version bumps

Author: robotgryphon

.github/workflows/_announce-latest-build.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Grab JAR and Info
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: release
           path: .

.github/workflows/_release-cf-alpha.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Grab JAR and Info
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: release
           path: .