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

---------

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

internal/repository/idp/ldap.go

@@ -22,6 +22,7 @@ type LDAPIDPAddedEvent struct {
 	UserObjectClasses []string            `json:"userObjectClasses"`
 	UserFilters       []string            `json:"userFilters"`
 	Timeout           time.Duration       `json:"timeout"`
+	RootCA            []byte              `json:"rootCA"`
 
 	LDAPAttributes
 	Options
@@ -142,6 +143,7 @@ func NewLDAPIDPAddedEvent(
 	userObjectClasses []string,
 	userFilters []string,
 	timeout time.Duration,
+	rootCA []byte,
 	attributes LDAPAttributes,
 	options Options,
 ) *LDAPIDPAddedEvent {
@@ -158,6 +160,7 @@ func NewLDAPIDPAddedEvent(
 		UserObjectClasses: userObjectClasses,
 		UserFilters:       userFilters,
 		Timeout:           timeout,
+		RootCA:            rootCA,
 		LDAPAttributes:    attributes,
 		Options:           options,
 	}
@@ -198,6 +201,7 @@ type LDAPIDPChangedEvent struct {
 	UserObjectClasses []string            `json:"userObjectClasses,omitempty"`
 	UserFilters       []string            `json:"userFilters,omitempty"`
 	Timeout           *time.Duration      `json:"timeout,omitempty"`
+	RootCA            []byte              `json:"rootCA,omitempty"`
 
 	LDAPAttributeChanges
 	OptionChanges
@@ -315,6 +319,12 @@ func ChangeLDAPTimeout(timeout time.Duration) func(*LDAPIDPChangedEvent) {
 	}
 }
 
+func ChangeLDAPRootCA(rootCA []byte) func(*LDAPIDPChangedEvent) {
+	return func(e *LDAPIDPChangedEvent) {
+		e.RootCA = rootCA
+	}
+}
+
 func ChangeLDAPAttributes(attributes LDAPAttributeChanges) func(*LDAPIDPChangedEvent) {
 	return func(e *LDAPIDPChangedEvent) {
 		e.LDAPAttributeChanges = attributes