Fix the lychee precommit hook (#2729)

Author: mdboom

.pre-commit-config.yaml

@@ -97,6 +97,7 @@ repos:
     hooks:
       - id: lychee
         args:
+          - LYCHEE_VERSION=0.24.2  # Must match the pinned rev above
           - --cache
           - --max-concurrency=4
           - --max-retries=3