Apply updates from cookiecutter

This automated commit applies the latest updates from our cookiecutters [1] to
this repo.

[1]: https://github.com/hypothesis/cookiecutters

.github/workflows/slack.yml

@@ -1,7 +1,7 @@
 name: Slack
 on:
   workflow_run:
-    workflows: [CI, Deploy, Report refresh]
+    workflows: [CI, Deploy]
     types: [completed]
     branches: [main]
 jobs:

.gitignore

@@ -1,4 +1,4 @@
-build
+/build
 coverage
 node_modules
 yarn-error.log
@@ -11,3 +11,4 @@ supervisord.pid
 .DS_Store
 .devdata*
 .eslintcache
+*.tsbuildinfo

pyproject.toml

@@ -8,6 +8,7 @@ filterwarnings = [
     "ignore:^pkg_resources is deprecated as an API:DeprecationWarning:pyramid",
     "ignore:^Deprecated call to .pkg_resources\\.declare_namespace\\('.*'\\).\\.:DeprecationWarning:pkg_resources",
     "ignore:^'cgi' is deprecated and slated for removal in Python 3\\.13$:DeprecationWarning:webob",
+    "ignore:^datetime\\.datetime\\.utcnow\\(\\) is deprecated and scheduled for removal in a future version\\.:DeprecationWarning",
 ]
 
 [tool.pydocstyle]
@@ -147,11 +148,6 @@ disable_error_code = [
     "import-untyped",
 ]
 
-exclude = [
-  # The actual "data_task" run on a schedule are a nightmare for mypy
-  "report/data_tasks/report"
-]
-
 [[tool.mypy.overrides]]
 module= [
   # Don't try to typecheck the tests for now