Update GitHub Actions for Java 11

Author: dondonz

.github/workflows/master.yml

@@ -15,9 +15,9 @@ jobs:
     steps:
       - uses: actions/checkout@v1
       - uses: gradle/wrapper-validation-action@v1
-      - name: Set up JDK 1.8
+      - name: Set up JDK 11
         uses: actions/setup-java@v1
         with:
-          java-version: '8.0.282'
+          java-version: '11.0.17'
       - name: build test and publish
         run: ./gradlew assemble && ./gradlew check --info && ./gradlew publishToSonatype closeAndReleaseSonatypeStagingRepository -x check --info --stacktrace

.github/workflows/pull_request.yml

@@ -7,18 +7,18 @@ on:
   pull_request:
     branches:
       - master
+      - 20.x
       - 19.x
       - 18.x
-      - 17.x
 jobs:
   buildAndTest:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v1
       - uses: gradle/wrapper-validation-action@v1
-      - name: Set up JDK 1.8
+      - name: Set up JDK 11
         uses: actions/setup-java@v1
         with:
-          java-version: '8.0.282'
+          java-version: '11.0.17'
       - name: build and test
         run: ./gradlew assemble && ./gradlew check --info --stacktrace

.github/workflows/release.yml

@@ -19,9 +19,9 @@ jobs:
     steps:
       - uses: actions/checkout@v1
       - uses: gradle/wrapper-validation-action@v1
-      - name: Set up JDK 1.8
+      - name: Set up JDK 11
         uses: actions/setup-java@v1
         with:
-          java-version: '8.0.282'
+          java-version: '11.0.17'
       - name: build test and publish
         run: ./gradlew assemble && ./gradlew check --info && ./gradlew publishToSonatype closeAndReleaseSonatypeStagingRepository -x check --info --stacktrace

README.md

@@ -1,7 +1,7 @@
 # Extended Scalars for graphql-java
 
 [![Build Status](https://github.com/graphql-java/graphql-java-extended-scalars/actions/workflows/master.yml/badge.svg)](https://github.com/graphql-java/graphql-java-extended-scalars/actions/workflows/master.yml)
-[![Latest Release](https://img.shields.io/maven-central/v/com.graphql-java/graphql-java-extended-scalars?versionPrefix=19.)](https://maven-badges.herokuapp.com/maven-central/com.graphql-java/graphql-java-extended-scalars/)
+[![Latest Release](https://img.shields.io/maven-central/v/com.graphql-java/graphql-java-extended-scalars?versionPrefix=20.)](https://maven-badges.herokuapp.com/maven-central/com.graphql-java/graphql-java-extended-scalars/)
 [![Latest Snapshot](https://img.shields.io/maven-central/v/com.graphql-java/graphql-java-extended-scalars?label=maven-central%20snapshot)](https://maven-badges.herokuapp.com/maven-central/com.graphql-java/graphql-java-extended-scalars/)
 [![MIT licensed](https://img.shields.io/badge/license-MIT-green)](https://github.com/graphql-java/graphql-java-extended-scalars/blob/master/LICENSE.md)