bin: use aws-keyring instead of aws-vault

.local/bin/aws-web-login

@@ -25,8 +25,8 @@ urlencode() {
 }
 
 get-credentials() {
-  if command -v aws-vault > /dev/null; then
-    aws-vault export --format=json --duration=8h "$profile-raw"
+  if command -v aws-keyring > /dev/null; then
+    aws-keyring --profile "$profile" --duration=12h
   else
     get-aws-login --profile "$profile" --duration 43200 --output credential_process
   fi