Fix CI to support JDK 17 as build JDK (#420)

Author: testforstephen

.github/workflows/build.yml

@@ -14,10 +14,10 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
-    - name: Set up JDK 11
+    - name: Set up JDK 17
       uses: actions/setup-java@v1
       with:
-        java-version: '11'
+        java-version: '17'
 
     - name: Cache local Maven repository
       uses: actions/cache@v2
@@ -45,10 +45,10 @@ jobs:
 
     - uses: actions/checkout@v2
 
-    - name: Set up JDK 11
+    - name: Set up JDK 17
       uses: actions/setup-java@v1
       with:
-        java-version: '11'
+        java-version: '17'
 
     - name: Cache local Maven repository
       uses: actions/cache@v2
@@ -71,10 +71,10 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
-    - name: Set up JDK 11
+    - name: Set up JDK 17
       uses: actions/setup-java@v1
       with:
-        java-version: '11'
+        java-version: '17'
 
     - name: Cache local Maven repository
       uses: actions/cache@v2

pom.xml

@@ -11,7 +11,7 @@
     <properties>
         <base.name>Java Debug Server for Visual Studio Code</base.name>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <tycho-version>1.5.1</tycho-version>
+        <tycho-version>2.7.3</tycho-version>
         <checkstyleDir>${basedir}</checkstyleDir>
     </properties>