Fix Gitea release creation: include created_at timestamp to work around Gitea bug where releases get epoch zero timestamp

increment_and_push.sh

@@ -219,15 +219,22 @@ create_gitea_release() {
     token=$(cat "$HOME/.gitea_token" | tr -d '\n\r')
     local api_url="https://git.laantungir.net/api/v1/repos/laantungir/n_signer"
 
+    # Include created_at timestamp to work around Gitea bug where releases
+    # created without a timestamp get epoch zero and don't appear in the
+    # releases list or web UI.
+    local now_iso
+    now_iso=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
+
     local response
     response=$(curl -s -X POST "$api_url/releases" \
         -H "Authorization: token $token" \
         -H "Content-Type: application/json" \
-        -d "{\"tag_name\": \"$NEW_VERSION\", \"name\": \"$NEW_VERSION\", \"body\": \"$COMMIT_MESSAGE\"}")
+        -d "{\"tag_name\": \"$NEW_VERSION\", \"target_commitish\": \"master\", \"name\": \"$NEW_VERSION\", \"body\": \"$COMMIT_MESSAGE\", \"draft\": false, \"prerelease\": false, \"created_at\": \"$now_iso\"}")
 
     if echo "$response" | grep -q '"id"'; then
         echo "$response" | grep -o '"id":[0-9]*' | head -1 | cut -d':' -f2
     else
+        print_error "Failed to create Gitea release: $response"
         return 1
     fi
 }