drop support for 2020.2 and remove usage of deprecated interface

gradle.properties

@@ -3,19 +3,19 @@
 
 pluginGroup = org.jetbrains.plugins.template
 pluginName = IntelliJ Platform Plugin Template
-pluginVersion = 0.10.1
+pluginVersion = 0.10.2
 
 # See https://plugins.jetbrains.com/docs/intellij/build-number-ranges.html
 # for insight into build numbers and IntelliJ Platform versions.
-pluginSinceBuild = 202
+pluginSinceBuild = 203
 pluginUntilBuild = 211.*
 
 # Plugin Verifier integration -> https://github.com/JetBrains/gradle-intellij-plugin#plugin-verifier-dsl
 # See https://jb.gg/intellij-platform-builds-list for available build versions.
-pluginVerifierIdeVersions = 2020.2.4, 2020.3.4, 2021.1.1
+pluginVerifierIdeVersions = 2020.3.4, 2021.1.1, 2021.1.2, 2021.1.3
 
 platformType = IC
-platformVersion = 2020.2.4
+platformVersion = 2020.3.4
 platformDownloadSources = true
 
 # Plugin Dependencies -> https://plugins.jetbrains.com/docs/intellij/plugin-dependencies.html

src/main/java/org/jastadd/tooling/grammar/GrammarFormattingModelBuilder.java

@@ -39,14 +39,14 @@ public class GrammarFormattingModelBuilder implements FormattingModelBuilder {
   }
 
   @Override
-  public @NotNull FormattingModel createModel(PsiElement element, CodeStyleSettings settings) {
+  public @NotNull FormattingModel createModel(@NotNull FormattingContext formattingContext) {
     return FormattingModelProvider
-      .createFormattingModelForPsiFile(element.getContainingFile(),
-        new GrammarBlock(element.getNode(),
+      .createFormattingModelForPsiFile(formattingContext.getContainingFile(),
+        new GrammarBlock(formattingContext.getNode(),
           Wrap.createWrap(WrapType.NONE, false),
           Alignment.createAlignment(),
-          createSpaceBuilder(settings)),
-        settings);
+          createSpaceBuilder(formattingContext.getCodeStyleSettings())),
+        formattingContext.getCodeStyleSettings());
   }
 
   @Nullable