Move instance main methods recipe to JavaBestPractices (#1130)

* Move instance main methods recipe to JavaBestPractices

Move MigrateMainMethodToInstanceMain out of UpgradeToJava25 and into
JavaBestPractices, since instance main methods do not yet work for
Spring Boot (spring-projects/spring-boot#35785).

* Regenerate recipes.csv

Author: timtebeek

src/main/resources/META-INF/rewrite/java-best-practices.yml

@@ -31,6 +31,9 @@ preconditions:
 recipeList:
   # Upgrade to the latest Java version
   - org.openrewrite.java.migrate.UpgradeToJava25
+  # Instance main methods (JEP 512); not moved into the version upgrade as it does not yet work for Spring Boot
+  # https://github.com/spring-projects/spring-boot/issues/35785
+  - org.openrewrite.java.migrate.lang.MigrateMainMethodToInstanceMain
   # Text blocks for strings without newlines (upgrade chain only does convertStringsWithoutNewlines: false)
   - org.openrewrite.java.migrate.lang.UseTextBlocks:
       convertStringsWithoutNewlines: true

src/main/resources/META-INF/rewrite/java-version-25.yml

@@ -33,7 +33,6 @@ recipeList:
   - org.openrewrite.java.migrate.UpgradeBuildToJava25ForKotlin
   - org.openrewrite.java.migrate.UpgradePluginsForJava25
   - org.openrewrite.java.migrate.io.ReplaceSystemOutWithIOPrint
-  - org.openrewrite.java.migrate.lang.MigrateMainMethodToInstanceMain
   - org.openrewrite.java.migrate.lang.MigrateProcessWaitForDuration
   - org.openrewrite.java.migrate.lang.ReplaceUnusedVariablesWithUnderscore
   - org.openrewrite.java.migrate.util.MigrateInflaterDeflaterToClose