docs: fix typos in schema

src/main/java/io/kestra/plugin/singer/taps/ExchangeRateHost.java

@@ -29,7 +29,7 @@
 public class ExchangeRateHost extends AbstractPythonTap implements RunnableTask<AbstractPythonTap.Output> {
     @NotEmpty
     @Schema(
-        title = "The exchange rates currency used for convertion."
+        title = "The exchange rates currency used for conversion."
     )
     @PluginProperty(dynamic = true)
     @Builder.Default

src/main/java/io/kestra/plugin/singer/taps/Marketo.java

@@ -37,7 +37,7 @@ public class Marketo extends AbstractPythonTap implements RunnableTask<AbstractP
         description = "The base URL contains the account id (a.k.a. Munchkin id) and is therefore unique for each " +
             "Marketo subscription. Your base URL is found by logging into Marketo and navigating to the " +
             "Admin > Integration > Web Services menu. " +
-            "It is labled as “Endpoint:” underneath the “REST API” section as shown in the following screenshots."
+            "It is labeled as “Endpoint:” underneath the “REST API” section as shown in the following screenshots."
     )
     @PluginProperty(dynamic = true)
     private String endpoint;

src/main/java/io/kestra/plugin/singer/taps/Slack.java

@@ -73,8 +73,8 @@ public class Slack extends AbstractPythonTap implements RunnableTask<AbstractPyt
 
     @Schema(
         title = "Channels to Sync.",
-        description = "By default the tap will sync all channels it has been invited to, but this can be overriden " +
-            "to limit it ot specific channels. Note this needs to be channel ID, not the name, as recommended " +
+        description = "By default the tap will sync all channels it has been invited to, but this can be overridden " +
+            "to limit it to specific channels. Note this needs to be channel ID, not the name, as recommended " +
             "by the Slack API. To get the ID for a channel, either use the Slack API or find it in the URL."
     )
     @PluginProperty(dynamic = true)