Update version-number for next release 2.5.0 #110

Job	Run time
bookworm / build	3m 33s
bullseye / build	4m 25s
buster / build	4m 25s
bookworm / test (pi, run_installation_tests.sh)	5m 27s
bookworm / test (pi, run_installation_tests2.sh)	5m 25s
bookworm / test (pi, run_installation_tests3.sh)	6m 34s
bookworm / test (hans, run_installation_tests.sh)	1m 3s
bookworm / test (hans, run_installation_tests2.sh)	53s
bookworm / test (hans, run_installation_tests3.sh)	1m 10s
buster / test (pi, run_installation_tests.sh)	5m 3s
buster / test (pi, run_installation_tests2.sh)	4m 14s
buster / test (pi, run_installation_tests3.sh)	7m 37s
buster / test (hans, run_installation_tests.sh)	56s
buster / test (hans, run_installation_tests2.sh)	54s
buster / test (hans, run_installation_tests3.sh)	1m 3s
bullseye / test (pi, run_installation_tests.sh)	6m 4s
bullseye / test (pi, run_installation_tests2.sh)	5m 27s
bullseye / test (pi, run_installation_tests3.sh)	8m 34s
bullseye / test (hans, run_installation_tests.sh)	53s
bullseye / test (hans, run_installation_tests2.sh)	55s
bullseye / test (hans, run_installation_tests3.sh)	56s
bookworm / cleanup	0s
buster / cleanup	2s
bullseye / cleanup	2s
	1h 15m 35s

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