update flake8 ignores

Author: davidism

setup.cfg

@@ -1,21 +1,24 @@
 # Config goes in pyproject.toml unless a tool doesn't support that.
 
 [flake8]
-# B = bugbear
-# E = pycodestyle errors
-# F = flake8 pyflakes
-# W = pycodestyle warnings
-# B9 = bugbear opinions
-# ISC = implicit-str-concat
-select = B, E, F, W, B9, ISC
-ignore =
+extend-select =
+    # bugbear
+    B
+    # bugbear opinions
+    B9
+    # implicit str concat
+    ISC
+extend-ignore =
     # slice notation whitespace, invalid
     E203
     # line length, handled by bugbear B950
     E501
     # bare except, handled by bugbear B001
     E722
-    # bin op line break, invalid
-    W503
+    # zip with strict=, requires python >= 3.10
+    B905
+    # string formatting opinion, B028 renamed to B907
+    B028
+    B907
 # up to 88 allowed by bugbear B950
 max-line-length = 80