feat: cache HTTP GET requests #17398

Job	Run time
Build C library (ubuntu-latest)	2m 24s
Lint Rust	2m 46s
Build C library (macos-latest)	2m 23s
Rust doc comments	15s
cargo deny	34s
Check if node constants are up to date	5s
Check provider database	3s
Python lint	12s
Build deltachat-rpc-server (ubuntu-latest)	2m 14s
Build deltachat-rpc-server (macos-latest)	2m 0s
Rust tests (ubuntu-latest, 1.83.0)	3m 3s
Build deltachat-rpc-server (windows-latest)	7m 12s
Rust tests (windows-latest, 1.83.0)	9m 1s
Rust tests (macos-latest, 1.83.0)	2m 43s
Rust tests (ubuntu-latest, 1.77.0)	3m 12s
CFFI Python tests (ubuntu-latest, 3.13)	4m 59s
CFFI Python tests (macos-latest, 3.13)	4m 42s
CFFI Python tests (ubuntu-latest, pypy3.10)	5m 42s
CFFI Python tests (macos-latest, pypy3.10)	5m 34s
CFFI Python tests (ubuntu-latest, 3.7)	5m 11s
JSON-RPC Python tests (ubuntu-latest, 3.13)	1m 50s
JSON-RPC Python tests (macos-latest, 3.13)	1m 57s
JSON-RPC Python tests (windows-latest, 3.13)	3m 13s
JSON-RPC Python tests (ubuntu-latest, pypy3.10)	2m 2s
JSON-RPC Python tests (macos-latest, pypy3.10)	2m 12s
JSON-RPC Python tests (ubuntu-latest, 3.7)	1m 38s
	1h 17m 7s

Provide feedback