Add message catalog entries for protocol settings overview #1745

Job	Run time
Syntax and unit tests, PHP 8.3,	1m 3s
Syntax and unit tests, PHP 8.4,	1m 1s
Syntax and unit tests, PHP 8.5,	1m 10s
Sanity checks	25s
conformance-suite (dev-simplesamlphp-2.5)	12m 18s
Security checks	43s
Quality control	58s
	17m 38s

Provide feedback