[WIP] File deduplication #17458

Job	Run time
Check provider database	5s
cargo deny	32s
Build C library (ubuntu-latest)	2m 44s
Rust doc comments	14s
Build C library (macos-latest)	2m 25s
Lint Rust	1m 19s
Check if node constants are up to date	8s
Python lint	10s
Build deltachat-rpc-server (ubuntu-latest)	2m 3s
Build deltachat-rpc-server (macos-latest)	1m 57s
Rust tests (ubuntu-latest, 1.83.0)	4m 2s
Build deltachat-rpc-server (windows-latest)	7m 12s
Rust tests (windows-latest, 1.83.0)	10m 24s
Rust tests (macos-latest, 1.83.0)	3m 51s
Rust tests (ubuntu-latest, 1.77.0)	4m 13s
CFFI Python tests (ubuntu-latest, 3.13)	4m 35s
CFFI Python tests (macos-latest, 3.13)	4m 41s
CFFI Python tests (ubuntu-latest, pypy3.10)	5m 21s
CFFI Python tests (macos-latest, pypy3.10)	6m 5s
CFFI Python tests (ubuntu-latest, 3.7)	4m 26s
JSON-RPC Python tests (ubuntu-latest, 3.13)	6h 0m 13s
JSON-RPC Python tests (macos-latest, 3.13)	6h 0m 14s
JSON-RPC Python tests (windows-latest, 3.13)	21m 47s
JSON-RPC Python tests (ubuntu-latest, pypy3.10)	6h 0m 13s
JSON-RPC Python tests (macos-latest, pypy3.10)	6h 0m 14s
JSON-RPC Python tests (ubuntu-latest, 3.7)	6h 0m 13s
	1d 7h 29m 21s

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