Switch to 9.0.3 in CI tests

Author: dimuon

.github/workflows/test.yml

@@ -126,7 +126,7 @@ jobs:
           - '8.15.5'
           - '8.16.2'
           - '8.17.0'
-          - '9.0.0-SNAPSHOT'
+          - '9.0.3'
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       - uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5