CAMEL-23112 - minimal version is Java 21 now

- updated compiler
- updated Github job

Signed-off-by: Aurélien Pupier <apupier@ibm.com>

Author: apupier

.github/workflows/master-pr-build.yml

@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [ '17' ]
+        java: [ '21' ]
     steps:
       - uses: actions/checkout@v2
       - name: Set up JDK ${{ matrix.java }}

.github/workflows/master-push-build.yml

@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [ '17' ]
+        java: [ '21' ]
     steps:
       - uses: actions/checkout@v2
       - name: Set up JDK ${{ matrix.java }}

pom.xml

@@ -146,7 +146,7 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
         <site-repo-url>scpexe://people.apache.org/www/camel.apache.org/maven/</site-repo-url>
-        <jdk.version>17</jdk.version>
+        <jdk.version>21</jdk.version>
         <compiler.fork>false</compiler.fork>
 
         <camel.version>${project.version}</camel.version>