dependabot: don't bump minimum Pillow version in pre-commit config

We don't support older versions, but we don't necessarily want to require
the latest.

Signed-off-by: Benjamin Gilbert <bgilbert@cs.cmu.edu>

Author: bgilbert

.github/dependabot.yml

@@ -18,6 +18,10 @@ updates:
     groups:
       deps:
         patterns: ["*"]
+    ignore:
+      # The pre-commit config declares the minimum version, and we shouldn't
+      # bump that
+      - dependency-name: pillow
     labels: ["dependencies"]
     schedule:
       interval: monthly

.pre-commit-config.yaml

@@ -58,6 +58,7 @@ repos:
     hooks:
       - id: mypy
         name: Check Python types
+        # Pillow is ignored in dependabot.yml
         additional_dependencies: [flask, openslide-bin, pillow >= 12.1.0, types-PyYAML, types-setuptools]
 
   - repo: https://github.com/rstcheck/rstcheck