bump: coverage to v7.13.1

Author: jason-famedly

.github/workflows/famedly-tests.yml

@@ -5,7 +5,7 @@ name: Tests
 # so a change to a pull request was triggering both. Also run tests when a tag is pushed.
 on:
   push:
-    branches: ["master", "release-*"]
+    branches: [ "master", "release-*" ]
     tags:
       - '**'
   pull_request:
@@ -231,11 +231,13 @@ jobs:
         run: until pg_isready -h localhost; do sleep 1; done
       # coverage is already installed from the pyproject.toml file
       - run: poetry run pip install coverage-enable-subprocess
-        # Normally, this Github runner has 2 cores(actually threads) available to it.
+        # Normally, this Github runner has 4 cores(vCPUs) available to it.
         # Using only one trial test runner does not saturate the cpu. Rough experimentation in the past led to having 3
         # of these runners per core as optimal, but now coverage is required and there may be the need
-        # to scale back a little. This should be 6 trial test runners/jobs
-      - run: poetry run coverage run -m twisted.trial -j$((`nproc` * 2 )) tests
+        # to scale back a little. This should be 8 trial test runners/jobs. Adding in
+        # --debug=core will display which measurement core is in use. For python 3.14+
+        # this is educational.
+      - run: poetry run coverage run --debug=core -m twisted.trial -j$((`nproc` * 2 )) tests
         env:
           SYNAPSE_POSTGRES: ${{ matrix.job.database == 'postgres' || '' }}
           SYNAPSE_POSTGRES_HOST: /var/run/postgresql