ci: Update GHA with new artifact actions

Author: ipmb

.github/workflows/databases.yml

@@ -23,7 +23,7 @@ jobs:
         name: Build
         run: go build -o bin/apppack
       -
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: apppack
           path: bin
@@ -50,7 +50,7 @@ jobs:
     needs: ["init"]
     steps:
       -
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: apppack
           path: bin
@@ -86,7 +86,7 @@ jobs:
     needs: ["init"]
     steps:
       -
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: apppack
           path: bin
@@ -122,7 +122,7 @@ jobs:
     needs: ["init"]
     steps:
       -
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: apppack
           path: bin
@@ -158,7 +158,7 @@ jobs:
     needs: ["init"]
     steps:
       -
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: apppack
           path: bin
@@ -195,7 +195,7 @@ jobs:
         name: Checkout
         uses: actions/checkout@v3
       -
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: apppack
           path: bin
@@ -240,7 +240,7 @@ jobs:
       - redis
     steps:
       -
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: apppack
           path: bin