feat(ldap): adding root ca option to ldap config (#9292)

# Which Problems Are Solved

Adding ability to add a root CA to LDAP configs

# Additional Context

- Closes https://github.com/zitadel/zitadel/issues/7888

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Co-authored-by: Iraq Jaber <IraqJaber@gmail.com>

internal/command/idp.go

@@ -107,6 +107,7 @@ type LDAPProvider struct {
 	UserObjectClasses []string
 	UserFilters       []string
 	Timeout           time.Duration
+	RootCA            []byte
 	LDAPAttributes    idp.LDAPAttributes
 	IDPOptions        idp.Options
 }