Bump per-profile java versions

Author: vickenty

.github/workflows/ci.yml

@@ -30,26 +30,26 @@ jobs:
         working-directory: dogstatsd-http-core
 
   test-jnr-exclude:
-    name: Test (Java 8, jnr-exclude)
+    name: Test (Java 9, jnr-exclude)
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
         with:
-          java-version: '8'
+          java-version: '9'
           distribution: zulu
           cache: maven
       - name: Build and test (jnr-exclude)
         run: mvn clean test -P jnr-exclude
 
   test-jnr-latest:
-    name: Test (Java 8, jnr-latest)
+    name: Test (Java 9, jnr-latest)
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
         with:
-          java-version: '8'
+          java-version: '9'
           distribution: zulu
           cache: maven
       - name: Build with default dependencies