Add fix for the package_native_routine_registration_skeleton bug.

.github/workflows/lto-bug-fix.yaml

@@ -0,0 +1,41 @@
+name: LTO bug fix
+
+on: [push]
+
+jobs:
+  modify-and-commit:
+    permissions:
+      contents: write
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout Repository
+      uses: actions/checkout@v4
+
+    - name: Modify cpp11.cpp File
+      run: |
+        sed -i 's/extern SEXP run_testthat_tests(void \*);/extern SEXP run_testthat_tests(SEXP);/' src/cpp11.cpp
+
+    - name: Check for Changes
+      id: check_changes
+      run: |
+        git diff
+        if git diff --quiet; then
+          echo "No changes to commit"
+          exit 0
+        else
+          echo "changes=true" >> $GITHUB_ENV
+        fi
+
+    - name: Commit and Push
+      if: env.changes == 'true'
+      env:
+        NAME: Johann D. Gaebler
+        EMAIL: me@jgaeb.com
+      run: |
+        git config --global user.name "$NAME"
+        git config --global user.email "$EMAIL"
+        git add src/cpp11.cpp
+        git commit -m "Rewrite faulty signature in $GITHUB_SHA"
+        git push
+