update deps and cleanup unused halo code #428

Job	Run time
🔍 Files Changed / Changed Files	8s
⚙️ Checks / Engine (GraalVM CE) (linux, amd64)	21m 6s
⚙️ Checks / JVM Tests (GraalVM CE) (linux, amd64)	23m 24s
⚙️ Checks / Engine (GraalVM CE) (windows, amd64)	14m 31s
⚙️ Checks / JVM Tests (GraalVM CE) (windows, amd64)	1h 10m 32s
⚙️ Checks / Standard Library Tests (GraalVM CE) (linux, amd64)	16m 22s
⚙️ Checks / Standard Library Tests (GraalVM CE) (windows, amd64)	20m 41s
⚙️ Checks / Verify License Packages (linux, amd64)	1m 7s
⚙️ Checks (Optional) / Engine (GraalVM CE) (macos, amd64)	33m 8s
⚙️ Checks (Optional) / JVM Tests (GraalVM CE) (macos, amd64)	52m 14s
⚙️ Checks (Optional) / Standard Library Tests (GraalVM CE) (macos, amd64)	32m 5s
Engine Required Checks	1s
	4h 45m 19s

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