Improve json decode error messages #19837

Job	Run time
Build Erlang/OTP (64-bit)	5m 1s
Event File	2s
Create SBOM	0s
Build Erlang/OTP (iOS)	3m 56s
Build Erlang/OTP (Types and Flavors)	10m 56s
Build Erlang/OTP (Windows)	25m 40s
Build and check documentation	5m 13s
Build Erlang/OTP (macOS)	7m 42s
Run static analysis	6m 23s
Build Erlang/OTP (32-bit)	5m 2s
Test Erlang/OTP (stdlib)	1h 7m 34s
Build Erlang/OTP (cross-compile)	10m 14s
Build Erlang/OTP (clang)	5m 15s
Release Erlang/OTP	0s
Test Erlang/OTP (system)	7m 22s
	2h 40m 20s

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