chore: Re-enable cirrus CI.

Author: iphydf

.cirrus.yml

@@ -1,12 +1,12 @@
-# ---
-# bazel-opt_task:
-#   container:
-#     image: toxchat/toktok-stack:latest-release
-#     cpu: 2
-#     memory: 6G
-#   configure_script:
-#     - /src/workspace/tools/inject-repo hs-github-tools
-#   test_all_script:
-#     - cd /src/workspace && bazel test -k
-#         --config=ci
-#         //hs-github-tools/...
+---
+bazel-opt_task:
+  container:
+    image: toxchat/toktok-stack:latest-release
+    cpu: 2
+    memory: 6G
+  configure_script:
+    - /src/workspace/tools/inject-repo hs-github-tools
+  test_all_script:
+    - cd /src/workspace && bazel test -k
+        --config=ci
+        //hs-github-tools/...