chore: remove deprecated plugin wrapper (#19)

### What this PR does?
移除对已过时的 PluginWrapper 的引用，Halo 2.18.0 版本后将不在支持从 BasePlugin 中获取 PluginWrapper ，也不再支持依赖注入 PluginWrapper，使用 PluginContext 代替

see also halo-dev/halo#6243 for more details

```release-note
None
```

build.gradle

@@ -6,7 +6,11 @@ plugins {
 }
 
 group 'run.halo.lightgallery'
-sourceCompatibility = JavaVersion.VERSION_17
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
+}
 
 repositories {
     maven { url 'https://s01.oss.sonatype.org/content/repositories/releases' }
@@ -16,7 +20,7 @@ repositories {
 }
 
 dependencies {
-    implementation platform('run.halo.tools.platform:plugin:2.6.0-SNAPSHOT')
+    implementation platform('run.halo.tools.platform:plugin:2.10.0-SNAPSHOT')
     compileOnly 'run.halo.app:api'
 
     testImplementation 'run.halo.app:api'

src/main/java/run/halo/lightgallery/LightGalleryPlugin.java

@@ -1,17 +1,17 @@
 package run.halo.lightgallery;
 
-import org.pf4j.PluginWrapper;
 import org.springframework.stereotype.Component;
 import run.halo.app.plugin.BasePlugin;
+import run.halo.app.plugin.PluginContext;
 
 /**
  * @author ryanwang
  */
 @Component
 public class LightGalleryPlugin extends BasePlugin {
 
-    public LightGalleryPlugin(PluginWrapper wrapper) {
-        super(wrapper);
+    public LightGalleryPlugin(PluginContext pluginContext) {
+        super(pluginContext);
     }
 
     @Override

src/main/resources/plugin.yaml

@@ -4,7 +4,7 @@ metadata:
   name: PluginLightGallery
 spec:
   enabled: true
-  requires: ">=2.4.0"
+  requires: ">=2.10.0"
   author:
     name: Halo OSS Team
     website: https://github.com/halo-dev