Revert "temp disable pdo-firebird"

This reverts commit f5df6b5.

Author: Ayesh

action.yml

@@ -134,6 +134,7 @@ runs:
             --with-pdo-odbc=unixODBC,/usr \
             --with-config-file-path=/etc \
             --with-config-file-scan-dir=/etc/php.d \
+            --with-pdo-firebird \
             --with-pdo-dblib \
             --enable-werror
           cd ../