Fix styling and run only two uploads in parallel

Signed-off-by: Julius Härtl <jus@bitgrid.net>

package-lock.json

@@ -7503,6 +7503,11 @@
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-			"dev": true
+			"integrity": "sha1-P7z7FbiZpEEjs0ttzBi3JDNqLK4="
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@@ -13285,6 +13289,23 @@
 				"p-limit": "^1.1.0"
 			}
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+			"resolved": "https://registry.npmjs.org/p-queue/-/p-queue-6.3.0.tgz",
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