Add daily v3.0 rebase (#972)

Author: buffalu

.github/workflows/rebase.yaml

@@ -32,12 +32,12 @@ jobs:
           - branch: master
             upstream_branch: master
             upstream_repo: https://github.com/anza-xyz/agave.git
-          - branch: v2.2
-            upstream_branch: v2.2
-            upstream_repo: https://github.com/anza-xyz/agave.git
           - branch: v2.3
             upstream_branch: v2.3
             upstream_repo: https://github.com/anza-xyz/agave.git
+          - branch: v3.0
+            upstream_branch: v3.0
+            upstream_repo: https://github.com/anza-xyz/agave.git
       fail-fast: false
     steps:
       - uses: actions/checkout@v4