Remove Java 8 from CI workflow matrix

Author: jxnu-liguobin

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        java: [ 8, 11, 17, 21 ]
+        java: [ 11, 17, 21 ]
         scala: [ 2.11.x, 2.12.x, 2.13.x, 3.x ]
     runs-on: ubuntu-latest
     steps:
@@ -31,7 +31,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        java: [ 8, 11, 17, 21 ]
+        java: [ 11, 17, 21 ]
         scala: [ 2.13.x, 3.x ]
     runs-on: ubuntu-latest
     steps: