chore: Bump up to Go 1.19, minimum 1.18 (#4925)

3 files changed, 5 insertions, 5 deletions

diff --git a/modules/caddytls/automation.go b/modules/caddytls/automation.go
index 197c409..ee168b4 100644
--- a/modules/caddytls/automation.go
+++ b/modules/caddytls/automation.go
@@ -198,7 +198,7 @@ func (ap *AutomationPolicy) Provision(tlsApp *TLS) error {
 		if err != nil {
 			return fmt.Errorf("loading external certificate manager modules: %v", err)
 		}
-		for _, getCertVal := range vals.([]interface{}) {
+		for _, getCertVal := range vals.([]any) {
 			ap.Managers = append(ap.Managers, getCertVal.(certmagic.Manager))
 		}
 	}
@@ -209,7 +209,7 @@ func (ap *AutomationPolicy) Provision(tlsApp *TLS) error {
 		if err != nil {
 			return fmt.Errorf("loading TLS automation management module: %s", err)
 		}
-		for _, issVal := range val.([]interface{}) {
+		for _, issVal := range val.([]any) {
 			ap.Issuers = append(ap.Issuers, issVal.(certmagic.Issuer))
 		}
 	}
diff --git a/modules/caddytls/connpolicy.go b/modules/caddytls/connpolicy.go
index 4280f0a..285e9f6 100644
--- a/modules/caddytls/connpolicy.go
+++ b/modules/caddytls/connpolicy.go
@@ -46,7 +46,7 @@ func (cp ConnectionPolicies) Provision(ctx caddy.Context) error {
 		if err != nil {
 			return fmt.Errorf("loading handshake matchers: %v", err)
 		}
-		for _, modIface := range mods.(map[string]interface{}) {
+		for _, modIface := range mods.(map[string]any) {
 			cp[i].matchers = append(cp[i].matchers, modIface.(ConnectionMatcher))
 		}
 
@@ -66,7 +66,7 @@ func (cp ConnectionPolicies) Provision(ctx caddy.Context) error {
 			if err != nil {
 				return fmt.Errorf("loading client cert verifiers: %v", err)
 			}
-			for _, validator := range clientCertValidations.([]interface{}) {
+			for _, validator := range clientCertValidations.([]any) {
 				cp[i].ClientAuthentication.verifiers = append(cp[i].ClientAuthentication.verifiers, validator.(ClientCertificateVerifier))
 			}
 		}
diff --git a/modules/caddytls/tls.go b/modules/caddytls/tls.go
index 429b24c..f129489 100644
--- a/modules/caddytls/tls.go
+++ b/modules/caddytls/tls.go
@@ -113,7 +113,7 @@ func (t *TLS) Provision(ctx caddy.Context) error {
 	if err != nil {
 		return fmt.Errorf("loading certificate loader modules: %s", err)
 	}
-	for modName, modIface := range val.(map[string]interface{}) {
+	for modName, modIface := range val.(map[string]any) {
 		if modName == "automate" {
 			// special case; these will be loaded in later using our automation facilities,
 			// which we want to avoid doing during provisioning