feat: Ephemeral peer channels #14799

Job	Run time
Build C library (ubuntu-latest)	3m 19s
Build C library (macos-latest)	7m 15s
cargo deny	37s
Rust doc comments	41s
Lint Rust	21s
Check provider database	7s
Python lint	11s
Build deltachat-rpc-server (ubuntu-latest)	2m 33s
Rust tests (ubuntu-latest, 1.78.0)	3m 51s
Build deltachat-rpc-server (macos-latest)	8m 55s
Rust tests (windows-latest, 1.78.0)	9m 39s
Build deltachat-rpc-server (windows-latest)	8m 13s
Rust tests (macos-latest, 1.78.0)	4m 48s
Rust tests (ubuntu-latest, 1.77.0)	3m 55s
CFFI Python tests (ubuntu-latest, 3.12)	7m 16s
CFFI Python tests (macos-latest, 3.12)	7m 58s
CFFI Python tests (ubuntu-latest, pypy3.10)	7m 10s
CFFI Python tests (macos-latest, pypy3.10)	8m 0s
CFFI Python tests (ubuntu-latest, 3.7)	5m 55s
JSON-RPC Python tests (ubuntu-latest, 3.12)	3m 20s
JSON-RPC Python tests (macos-latest, 3.12)	3m 31s
JSON-RPC Python tests (windows-latest, 3.12)	6m 47s
JSON-RPC Python tests (ubuntu-latest, pypy3.10)	4m 43s
JSON-RPC Python tests (macos-latest, pypy3.10)	4m 22s
JSON-RPC Python tests (ubuntu-latest, 3.7)	4m 55s
	1h 58m 22s

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