chore: use `ant` as the `antctl` service user #10583

Job	Run time
Unused dependency check	7m 39s
build	6s
lint	20s
various checks	13m 38s
Network churning tests (ubuntu-latest, /home/runner/.local/share/autonomi/node, /home/runner/.loc...	18m 14s
Unit Tests (ubuntu-latest)	4m 16s
Network churning tests (windows-latest, C:\\Users\\runneradmin\\AppData\\Roaming\\autonomi\\node,...	28m 16s
E2E tests (ubuntu-latest, /home/runner/.local/share/autonomi)	12m 47s
Unit Tests (windows-latest)	8m 27s
Verify data location and Routing Table (ubuntu-latest, /home/runner/.local/share/autonomi/node, /...	20m 36s
Network churning tests (macos-latest, /Users/runner/Library/Application Support/autonomi/node, /U...	19m 22s
E2E tests (windows-latest, C:\\Users\\runneradmin\\AppData\\Roaming\\autonomi)	39m 53s
Unit Tests (macos-latest)	5m 7s
Verify data location and Routing Table (windows-latest, C:\\Users\\runneradmin\\AppData\\Roaming\...	35m 7s
E2E tests (macos-latest, /Users/runner/Library/Application\ Support/autonomi)	19m 27s
Verify data location and Routing Table (macos-latest, /Users/runner/Library/Application Support/a...	20m 35s
Large file upload	3m 26s
	4h 17m 16s

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