Update github actions

- remove Java 16 support
- move continue-on-error

.github/workflows/test-pr.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        java-version: [8, 11, 16, 17, 21]
+        java-version: [8, 11, 17, 21]
 
     steps:
       - uses: actions/checkout@v4

.github/workflows/update-arlington-workflow.yml

@@ -30,7 +30,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        java-version: [11, 16, 17, 21]
+        java-version: [11, 17, 21]
 
     steps:
       - name: Checkout code

.github/workflows/update-jakarta-workflow.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        java-version: [11, 16, 17, 21]
+        java-version: [11, 17, 21]
 
     steps:
       - name: Checkout code

README.md

@@ -29,7 +29,7 @@ Quick Start
 
 In order to build the library you'll need:
 
- * Java 8 - 21, which can be downloaded [from Oracle](https://www.oracle.com/technetwork/java/javase/downloads/index.html), or for Linux users [OpenJDK](https://openjdk.java.net/install/index.html).
+ * Java 8, 11, 17 or 21, which can be downloaded [from Oracle](https://www.oracle.com/technetwork/java/javase/downloads/index.html), or for Linux users [OpenJDK](https://openjdk.java.net/install/index.html).
  * [Maven v3+](https://maven.apache.org/)
 
 Life will be easier if you also use [Git](https://git-scm.com/) to obtain and manage the source.