chore: increase file watch limit for rivet guard (#2521)

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## Changes

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Author: NathanFlurry

packages/core/services/cluster/src/workflows/server/install/install_scripts/files/rivet_guard_configure.sh

@@ -35,7 +35,7 @@ OOMScoreAdjust=-1000
 # Kill main process, not children
 KillMode=process
 # Increase limit of file watches
-LimitNOFILE=65536
+LimitNOFILE=1048576
 # Increase max process limits
 LimitNPROC=infinity
 TasksMax=infinity