Use var for local variables initialized with constructor in tests

Use this link to re-run the recipe: https://app.moderne.io/builder/9uwIjLvVE?organizationId=QUxML01vZGVybmUvTW9kZXJuZSArIE9wZW5SZXdyaXRl

Co-authored-by: Moderne <team@moderne.io>

Author: 2 people

src/test/java/org/openrewrite/java/migrate/search/AboutJavaVersionTest.java

@@ -30,7 +30,7 @@ class AboutJavaVersionTest implements RewriteTest {
     @DocumentExample
     @Test
     void aboutJavaVersion() {
-        JavaVersion jv = new JavaVersion(randomId(), "me", "me", "11.0.15+10", "11.0.15+10");
+        var jv = new JavaVersion(randomId(), "me", "me", "11.0.15+10", "11.0.15+10");
         rewriteRun(
           spec -> spec.recipe(new AboutJavaVersion(null))
             .dataTable(JavaVersionRow.class, rows ->

src/test/java/org/openrewrite/java/migrate/search/FindJavaVersionTest.java

@@ -36,7 +36,7 @@ public void defaults(RecipeSpec spec) {
     @DocumentExample
     @Test
     void twoClassesWithSameMarkerLeadToOneRow() {
-        JavaVersion jv = new JavaVersion(randomId(), "Sam", "Shelter", "17", "8");
+        var jv = new JavaVersion(randomId(), "Sam", "Shelter", "17", "8");
         rewriteRun(
           spec -> spec.dataTable(JavaVersionTable.Row.class, rows -> {
               assertThat(rows).containsExactly(