refactor: remove case-insensitive comparison for HTTP methods in `FilterCollector` #14307

Job	Run time
Setup PHP Version for Code Coverage	3s
Others (8.2) / Sanity Tests	3m 54s
Others (8.4) / Sanity Tests	2m 31s
Others (8.5) / Sanity Tests	2m 36s
Others (8.3) / Sanity Tests	2m 41s
CacheLive (8.4) / Cache Live Tests	2m 20s
CacheLive (8.3) / Cache Live Tests	2m 11s
CacheLive (8.5) / Cache Live Tests	2m 8s
SeparateProcess (8.5) / tests	3m 45s
SeparateProcess (8.2) / tests	3m 41s
CacheLive (8.2) / Cache Live Tests	2m 19s
DatabaseLive (8.5, Postgre, 8.0) / tests	2m 45s
DatabaseLive (8.5, SQLSRV, 8.0) / tests	5m 18s
DatabaseLive (8.4, MySQLi, 8.0) / tests	4m 51s
DatabaseLive (8.2, MySQLi, 5.7) / tests	4m 46s
DatabaseLive (8.3, OCI8, 8.0) / tests	6m 54s
DatabaseLive (8.2, SQLite3, 8.0) / tests	2m 54s
DatabaseLive (8.4, OCI8, 8.0) / tests	6m 51s
SeparateProcess (8.3) / tests	3m 30s
SeparateProcess (8.4) / tests	3m 27s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	5m 5s
DatabaseLive (8.5, MySQLi, 8.0) / tests	4m 42s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 43s
DatabaseLive (8.2, OCI8, 8.0) / tests	7m 49s
DatabaseLive (8.2, MySQLi, 8.0) / tests	5m 17s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	6m 37s
DatabaseLive (8.5, SQLite3, 8.0) / tests	2m 13s
DatabaseLive (8.5, OCI8, 8.0) / tests	6m 59s
DatabaseLive (8.3, MySQLi, 8.0) / tests	4m 42s
DatabaseLive (8.4, SQLite3, 8.0) / tests	2m 36s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 42s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 26s
DatabaseLive (8.4, Postgre, 8.0) / tests	2m 42s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 27s
Upload coverage results to Coveralls / coveralls	43s
	2h 13m 8s

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