[flair] generate badges from pytest and coverage reports

dev only, doesn't yet need to run on CI

requirements/dev.txt

@@ -1,4 +1,4 @@
-# SHA1:dabc24f4b9a41d5fae3314c9a05a98434dd126e3
+# SHA1:c1b1a9cb6cb941c70ba198b50670c6604e0daead
 #
 # This file is autogenerated by pip-compile-multi
 # To update, run:
@@ -8,12 +8,17 @@
 -r test.txt
 asttokens==3.0.0
 build==1.2.2.post1
+certifi==2025.1.31
+charset-normalizer==3.4.1
 click==8.1.8
 decorator==5.2.1
+defusedxml==0.7.1
 django-debug-toolbar==5.0.1
 django-stubs==5.1.3
 django-stubs-ext==5.1.3
 executing==2.2.0
+genbadge==1.1.1
+idna==3.10
 ipython==9.0.2
 ipython-pygments-lexers==1.1.1
 jedi==0.19.2
@@ -22,6 +27,7 @@ matplotlib-inline==0.1.7
 mdurl==0.1.2
 parso==0.8.4
 pexpect==4.9.0
+pillow==11.1.0
 pip==25.0.1
 pip-compile-multi==2.8.0
 pip-tools==7.4.1
@@ -30,6 +36,7 @@ ptyprocess==0.7.0
 pure-eval==0.2.3
 pygments==2.19.1
 pyproject-hooks==1.2.0
+requests==2.32.3
 rich==13.9.4
 ruff==0.11.0
 setuptools==76.0.0
@@ -37,6 +44,7 @@ stack-data==0.6.3
 toposort==1.10
 traitlets==5.14.3
 types-pyyaml==6.0.12.20241230
+urllib3==2.3.0
 uv==0.6.6
 wcwidth==0.2.13
 wheel==0.45.1