Add skip tags to three tests to prevent them from being run on versio…

…ns older than 8.13.0 (elastic#104780)

x-pack/plugin/esql/qa/testFixtures/src/main/resources/date.csv-spec

@@ -315,7 +315,7 @@ from employees | where birth_date > now() | sort emp_no asc | keep emp_no, birth
 emp_no:integer  | birth_date:date
 ;
 
-autoBucketYearInAgg
+autoBucketYearInAgg#[skip:-8.12.99, reason:date type is supported in 8.13]
 FROM employees
 | WHERE hire_date >= "1999-01-01T00:00:00Z"
 | EVAL bucket = AUTO_BUCKET(hire_date, 5, "1999-01-01T00:00:00Z", NOW())
@@ -917,7 +917,7 @@ FROM employees
 //end::docsAutoBucketWeeklyHistogram-result[]
 ;
 
-docsAutoBucketLast24hr
+docsAutoBucketLast24hr#[skip:-8.12.99, reason:date type is supported in 8.13]
 //tag::docsAutoBucketLast24hr[]
 FROM sample_data 
 | WHERE @timestamp >= NOW() - 1 day and @timestamp < NOW()
@@ -929,7 +929,7 @@ FROM sample_data
    COUNT(*):long    |    bucket:date
 ;
 
-docsGettingStartedAutoBucket
+docsGettingStartedAutoBucket#[skip:-8.12.99, reason:date type is supported in 8.13]
 // tag::gs-auto_bucket[]
 FROM sample_data
 | KEEP @timestamp