Use shared workflows @main to test hardening

Author: jeromekelleher

.github/workflows/docs.yml

@@ -12,6 +12,6 @@ permissions:
 
 jobs:
   Docs:
-    uses: tskit-dev/.github/.github/workflows/docs.yml@v17
+    uses: tskit-dev/.github/.github/workflows/docs.yml@main
     with:
       additional-apt-packages: libgsl-dev

.github/workflows/lint.yml

@@ -9,4 +9,4 @@ permissions:
 
 jobs:
   Lint:
-    uses: tskit-dev/.github/.github/workflows/lint.yml@v17
+    uses: tskit-dev/.github/.github/workflows/lint.yml@main

.github/workflows/tests.yml

@@ -13,14 +13,14 @@ jobs:
 
   packaging:
     name: Python packaging
-    uses: tskit-dev/.github/.github/workflows/python-packaging.yml@v17
+    uses: tskit-dev/.github/.github/workflows/python-packaging.yml@main
     with:
       additional-apt-packages: libgsl-dev
       cli-test-cmd: msp --help
 
   test-c:
     name: C tests
-    uses: tskit-dev/.github/.github/workflows/c-tests.yml@v17
+    uses: tskit-dev/.github/.github/workflows/c-tests.yml@main
     with:
       additional-apt-packages: libgsl-dev
       library-directory: lib
@@ -30,7 +30,7 @@ jobs:
 
   test-python-c:
     name: Python-C tests
-    uses: tskit-dev/.github/.github/workflows/python-c-tests.yml@v17
+    uses: tskit-dev/.github/.github/workflows/python-c-tests.yml@main
     with:
       additional-apt-packages: libgsl-dev
     # Trusted first-party tskit-dev reusable workflow; needs secrets (e.g.

.github/workflows/wheels.yml

@@ -11,7 +11,7 @@ permissions:
 
 jobs:
   build-wheels:
-    uses: tskit-dev/.github/.github/workflows/build-wheels.yml@v17
+    uses: tskit-dev/.github/.github/workflows/build-wheels.yml@main
     # To override os-list:
     # with:
     #   python-version: "3.12"