Upgrade Xtext/Xtend to 2.26.0, LSP4J to 0.12.0 (#2786)

For release notes, see:

https://www.eclipse.org/Xtext/releasenotes.html#/releasenotes/2022/02/28/version-2-26-0

This release adds initial support for Java 17.

Signed-off-by: Wouter Born <github@maindrain.net>

bom/compile-model/pom.xml

@@ -83,6 +83,12 @@
     <dependency>
       <groupId>org.eclipse.emf</groupId>
       <artifactId>org.eclipse.emf.mwe2.launch</artifactId>
+      <exclusions>
+        <exclusion>
+          <groupId>com.google.inject</groupId>
+          <artifactId>guice</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
 
     <dependency>
@@ -102,7 +108,7 @@
       </exclusions>
     </dependency>
 
-    <!--Xbase -->
+    <!-- Xbase -->
     <dependency>
       <groupId>org.eclipse.xtext</groupId>
       <artifactId>org.eclipse.xtext.xbase</artifactId>
@@ -130,6 +136,22 @@
       <scope>compile</scope>
     </dependency>
 
+    <!-- Classgraph -->
+    <dependency>
+      <groupId>org.eclipse.orbit.bundles</groupId>
+      <artifactId>io.github.classgraph</artifactId>
+      <version>4.8.138.v20211212-1642 </version>
+      <scope>compile</scope>
+    </dependency>
+
+    <!-- Guice -->
+    <dependency>
+      <groupId>org.eclipse.orbit.bundles</groupId>
+      <artifactId>com.google.inject</artifactId>
+      <version>5.0.1.v20210324-2015</version>
+      <scope>compile</scope>
+    </dependency>
+
     <!-- TEST -->
     <dependency>
       <groupId>org.eclipse.xtext</groupId>
@@ -141,6 +163,10 @@
           <groupId>org.eclipse.platform</groupId>
           <artifactId>org.eclipse.osgi</artifactId>
         </exclusion>
+        <exclusion>
+          <groupId>com.google.inject</groupId>
+          <artifactId>guice</artifactId>
+        </exclusion>
       </exclusions>
     </dependency>