[sidekiq] run tests against released 8.0.0

Author: solnic

.github/workflows/sentry_sidekiq_test.yml

@@ -52,14 +52,14 @@ jobs:
             sidekiq_version: 7.0
           - ruby_version: "3.2"
             sidekiq_version: 7.0
-            options:
-              rubyopt: "--enable-frozen-string-literal --debug=frozen-string-literal"
           - ruby_version: "3.2"
-            sidekiq_version: 8.0.0.beta1
+            sidekiq_version: 8.0.0
           - ruby_version: "3.3"
-            sidekiq_version: 8.0.0.beta1
+            sidekiq_version: 8.0.0
           - ruby_version: "3.4"
-            sidekiq_version: 8.0.0.beta1
+            sidekiq_version: 8.0.0
+            options:
+              rubyopt: "--enable-frozen-string-literal --debug=frozen-string-literal"
         exclude:
           - ruby_version: head
           - ruby_version: jruby-head