docs: update links to Node.js bindings in the README #17325

Job	Run time
cargo deny	31s
Lint Rust	2m 45s
Check if node constants are up to date	3s
Build C library (ubuntu-latest)	2m 30s
Build C library (macos-latest)	7m 2s
Rust doc comments	35s
Check provider database	4s
Python lint	11s
Build deltachat-rpc-server (ubuntu-latest)	1m 59s
Rust tests (ubuntu-latest, 1.83.0)	3m 7s
Build deltachat-rpc-server (macos-latest)	2m 46s
Rust tests (windows-latest, 1.83.0)	9m 17s
Build deltachat-rpc-server (windows-latest)	6m 32s
Rust tests (macos-latest, 1.83.0)	4m 28s
Rust tests (ubuntu-latest, 1.77.0)	3m 31s
JSON-RPC Python tests (ubuntu-latest, 3.13)	2m 16s
JSON-RPC Python tests (macos-latest, 3.13)	1m 51s
JSON-RPC Python tests (windows-latest, 3.13)	3m 38s
JSON-RPC Python tests (ubuntu-latest, pypy3.10)	1m 58s
JSON-RPC Python tests (macos-latest, pypy3.10)	2m 26s
JSON-RPC Python tests (ubuntu-latest, 3.7)	1m 38s
CFFI Python tests (ubuntu-latest, 3.13)	4m 53s
CFFI Python tests (macos-latest, 3.13)	4m 48s
CFFI Python tests (ubuntu-latest, pypy3.10)	5m 39s
CFFI Python tests (macos-latest, pypy3.10)	5m 49s
CFFI Python tests (ubuntu-latest, 3.7)	4m 47s
	1h 25m 4s

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