update CI julia 1.9.0

Author: iskyd

.github/workflows/CI.yml

@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.9.0-rc3'
+          - '1.9.0'
           - 'nightly'
         os:
           - ubuntu-latest
@@ -61,7 +61,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: julia-actions/setup-julia@v1
         with:
-          version: '1.9.0-rc3'
+          version: '1.9.0'
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-docdeploy@v1
         env: