feat: Add `isAvailable()` method to AbstractCommand #15175

Job	Run time
Setup PHP Version for Code Coverage	3s
Others (8.2) / Sanity Tests	3m 38s
Others (8.3) / Sanity Tests	1m 32s
Others (8.5) / Sanity Tests	1m 40s
Others (8.4) / Sanity Tests	1m 31s
CacheLive (8.2) / Cache Live Tests	1m 48s
CacheLive (8.4) / Cache Live Tests	1m 27s
CacheLive (8.3) / Cache Live Tests	1m 26s
CacheLive (8.5) / Cache Live Tests	1m 26s
SeparateProcess (8.4) / tests	1m 56s
SeparateProcess (8.3) / tests	1m 59s
SeparateProcess (8.2) / tests	2m 35s
SeparateProcess (8.5) / tests	2m 25s
DatabaseLive (8.4, OCI8, 8.0) / tests	7m 51s
DatabaseLive (8.4, MySQLi, 8.0) / tests	3m 47s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 2s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 39s
DatabaseLive (8.4, Postgre, 8.0) / tests	1m 44s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 42s
DatabaseLive (8.5, Postgre, 8.0) / tests	1m 41s
DatabaseLive (8.4, SQLite3, 8.0) / tests	1m 9s
DatabaseLive (8.2, MySQLi, 5.7) / tests	4m 22s
DatabaseLive (8.3, MySQLi, 8.0) / tests	3m 43s
DatabaseLive (8.5, MySQLi, 8.0) / tests	3m 23s
DatabaseLive (8.5, OCI8, 8.0) / tests	8m 17s
DatabaseLive (8.3, OCI8, 8.0) / tests	7m 55s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	4m 52s
DatabaseLive (8.5, SQLite3, 8.0) / tests	1m 41s
DatabaseLive (8.2, MySQLi, 8.0) / tests	4m 26s
DatabaseLive (8.2, OCI8, 8.0) / tests	11m 40s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	7m 8s
DatabaseLive (8.5, SQLSRV, 8.0) / tests	5m 46s
DatabaseLive (8.2, SQLite3, 8.0) / tests	2m 20s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 4s
Upload coverage results to Coveralls / coveralls	50s
	1h 59m 28s

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