fix(validation): remove @notempty from integers

(cherry picked from commit d9739b2)

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

@@ -42,15 +42,13 @@ public class BigQuery extends AbstractPythonTap implements RunnableTask<Abstract
     protected List<Stream> streams;
 
     @NotNull
-    @NotEmpty
     @Schema(
         title = "Limits the number of records returned in each stream, applied as a limit in the query."
     )
     @PluginProperty
     private Integer limit;
 
     @NotNull
-    @NotEmpty
     @Schema(
         title = "When replicating incrementally, disable to only select records whose `datetime_key` is greater than the maximum value replicated in the last run, by excluding records whose timestamps match exactly.",
         description = "This could cause records to be missed that were created after the last run finished, but during the same second and with the same timestamp."

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

@@ -45,7 +45,6 @@ public class FacebookAds extends AbstractPythonTap implements RunnableTask<Abstr
     private String accessToken;
 
     @NotNull
-    @NotEmpty
     @Schema(
         title = "How many Days before the Start Date to fetch Ads Insights for."
     )

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

@@ -77,7 +77,6 @@ public class Netsuite extends AbstractPythonTap implements RunnableTask<Abstract
     private String tokenSecret;
 
     @NotNull
-    @NotEmpty
     @Schema(
         title = "Behaviour when new fields are discovered.",
         description = "When new fields are discovered in NetSuite objects, the select_fields_by_default key describes whether or not the tap will select those fields by default."
@@ -86,7 +85,6 @@ public class Netsuite extends AbstractPythonTap implements RunnableTask<Abstract
     private Boolean selectFieldsByDefault;
 
     @NotNull
-    @NotEmpty
     @Schema(
         title = "Is this sandbox account.",
         description = "This should always be set to `true` if you are connecting Production account of NetSuite. Set it to `false` if you want to connect to SandBox account."

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

@@ -29,7 +29,6 @@
 )
 public class Salesforce extends AbstractPythonTap implements RunnableTask<AbstractPythonTap.Output> {
     @NotNull
-    @NotEmpty
     @Schema(
         title = "This is used to switch the behavior of the tap between using Salesforce's `REST` and `BULK` APIs."
     )