fix(specs): allow one sided rule validity (#5060)

Author: millotp

specs/common/schemas/Rule.yml

@@ -19,6 +19,3 @@ timeRange:
       type: integer
       format: int64
       description: When the rule should stop to be active, in Unix epoch time.
-  required:
-    - from
-    - until

templates/go/guides/search/useConditionlessRule.mustache

@@ -18,10 +18,11 @@ func useConditionlessRule() {
     *search.NewConsequence(/* Set relevant consequence */),
   ). // Set validity (optional)
     SetValidity(
-      []search.TimeRange{
-        *search.NewTimeRange(1_688_774_400, 1_738_972_800),
-      },
-    )
+			[]search.TimeRange{ {
+				From:  utils.ToPtr(int64(1_688_774_400)),
+				Until: utils.ToPtr(int64(1_738_972_800)),
+			}},
+		)
 
   _, err = {{#dynamicSnippet}}saveRule{{/dynamicSnippet}}
   if err != nil {

templates/scala/guides/search/useConditionlessRule.mustache

@@ -17,8 +17,8 @@ def useConditionlessRule(): Future[Unit] = {
       // Set validity (optional)
       validity = Some(Seq(
         TimeRange(
-              from = 1_688_774_400,
-              until = 1_738_972_800
+              from = Some(1_688_774_400),
+              until = Some(1_738_972_800)
           )
       ))
   )