chore: add workflow to test the scala3-language-server

[Cherry-picked 9e1bb76]

Author: hamzaremmal

.github/workflows/ci.yaml

@@ -125,7 +125,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Test
-        run: sbt ";scala3-bootstrapped/compile; scala3-language-server/test"
+        run: sbt ";scala3-bootstrapped/compile"
         shell: cmd
 
       - name: build binary

.github/workflows/stdlib.yaml

@@ -332,6 +332,23 @@ jobs:
       - name: Compile `scala3-presentation-compiler`
         run: ./project/scripts/sbt scala3-presentation-compiler/compile
 
+  language-server:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Git Checkout
+        uses: actions/checkout@v5
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v5
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: 'sbt'
+      - uses: sbt/setup-sbt@v1
+
+      - name: Compile `scala3-language-server`
+        run: ./project/scripts/sbt scala3-language-server/compile
+
   #################################################################################################
   ########################################### MiMa JOBS ###########################################
   #################################################################################################
@@ -616,6 +633,23 @@ jobs:
       - name: Test Presentation Compiler
         run: ./project/scripts/sbt scala3-presentation-compiler/test
 
+  test-language-server:
+    runs-on: ubuntu-latest
+    needs: [language-server]
+    steps:
+      - name: Git Checkout
+        uses: actions/checkout@v5
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v5
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: 'sbt'
+      - uses: sbt/setup-sbt@v1
+      - name: Test Language Server
+        run: ./project/scripts/sbt scala3-language-server/test
+
   scripted-tests:
     runs-on: ubuntu-latest
     needs: [scala3-compiler-bootstrapped, tasty-core-bootstrapped, scala3-staging, scala3-tasty-inspector, scala-library-sjs, scaladoc]