[Dashboard] Change "Network" label to "Select Testnet" in analytics test transaction form

Author: joaquim-verges

apps/dashboard/src/app/(app)/team/[team_slug]/[project_slug]/(sidebar)/engine/cloud/analytics/send-test-tx.client.tsx

@@ -220,7 +220,7 @@ export function SendTestTransaction(props: {
               </Select>
             </div>
             <div className="flex flex-1 flex-col gap-2">
-              <p className="text-sm">Network</p>
+              <p className="text-sm">Select Testnet</p>
               <SingleNetworkSelector
                 className="bg-background"
                 chainIds={chainsQuery.allChains