Update workflows

Author: jeromekelleher

.github/workflows/lint.yml

@@ -5,4 +5,4 @@ on:
 
 jobs:
   Lint:
-    uses: tskit-dev/.github/.github/workflows/lint.yml@v11
+    uses: tskit-dev/.github/.github/workflows/lint.yml@main

.github/workflows/tests.yml

@@ -10,11 +10,6 @@ env:
   FORCE_COLOR: 1
 
 jobs:
-  pre-commit:
-    name: Lint
-    uses: tskit-dev/.github/.github/workflows/lint.yml@v5
-    with:
-      clang-format-version: 21.1.8
 
   packaging:
     name: Python packaging
@@ -29,7 +24,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python: [ 3.11, 3.14 ]
+        python: [ 3.11, 3.13 ]
         os:  [ macos-latest, ubuntu-24.04, windows-latest ]
     defaults:
       run: