Remove jdk8 from github actions

Author: oliemansm

.github/workflows/pull-request.yml

@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        java: [8, 11, 15]
+        java: [11, 15]
     needs: validation
     runs-on: ${{ matrix.os }}
     steps:

.github/workflows/release.yml

@@ -18,11 +18,11 @@ jobs:
       - name: Setup Java
         uses: actions/setup-java@v1
         with:
-          java-version: 8
+          java-version: 11
       - name: Cache Gradle
         uses: actions/cache@v2
         env:
-          java-version: 8
+          java-version: 11
         with:
           path: |
             ~/.gradle/caches
@@ -44,11 +44,11 @@ jobs:
       - name: Setup Java
         uses: actions/setup-java@v1
         with:
-          java-version: 8
+          java-version: 11
       - name: Cache Gradle
         uses: actions/cache@v2
         env:
-          java-version: 8
+          java-version: 11
         with:
           path: |
             ~/.gradle/caches

.github/workflows/snapshot.yml

@@ -21,11 +21,11 @@ jobs:
       - name: Setup Java
         uses: actions/setup-java@v1
         with:
-          java-version: 8
+          java-version: 11
       - name: Cache Gradle
         uses: actions/cache@v2
         env:
-          java-version: 8
+          java-version: 11
         with:
           path: |
             ~/.gradle/caches
@@ -47,11 +47,11 @@ jobs:
       - name: Setup Java
         uses: actions/setup-java@v1
         with:
-          java-version: 8
+          java-version: 11
       - name: Cache Gradle
         uses: actions/cache@v2
         env:
-          java-version: 8
+          java-version: 11
         with:
           path: |
             ~/.gradle/caches

graphql-webclient/src/test/java/graphql/kickstart/spring/webclient/boot/GraphQLWebClientTest.java

@@ -8,6 +8,7 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 import graphql.kickstart.spring.webclient.testapp.Simple;
 import java.util.List;
+import java.util.Map;
 import java.util.Optional;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.DisplayName;