Publish a PR comment when rust bindings needs to be updated

.github/workflows/cargo.yml

@@ -62,7 +62,23 @@ jobs:
     - name: Cargo build
       run: cargo build --all ${{ matrix.features }}
     - name: Check all generated files with git
-      run: git diff --exit-code
+      run: git diff --exit-code >> cargo_generated_diff.txt
+      continue-on-error: true
+    - name: Post a comment on PR on mismatch
+      if: |
+        failure() &&
+        !github.event.pull_request.head.repo.fork &&
+        steps.Check_all_generated_files_with_git.conclusion == 'failure'
+      uses: peter-evans/create-or-update-comment@71345be0265236311c031f5c7866368bd1eff043
+      with:
+        token: ${{ secrets.GITHUB_TOKEN }}
+        issue-number: ${{ github.event.number }}
+        body: |
+          ## ${{ github.workflow }}
+          The rust bindings need to be updated. Please apply (`git apply`) this diff:
+          ```diff
+          $(cat cargo_generated_diff.txt)
+          ```
     - name: Cargo test
       run: cargo test --all ${{ matrix.features }}
     - name: Cargo Publish (dry run)

src/ffi/win_bindings.rs

@@ -5,6 +5,8 @@
 pub struct __BindgenBitfieldUnit<Storage> {
     storage: Storage,
 }
+
+
 impl<Storage> __BindgenBitfieldUnit<Storage> {
     #[inline]
     pub const fn new(storage: Storage) -> Self {

src/inc/msquic.h

@@ -1632,6 +1632,7 @@ typedef struct QUIC_API_TABLE {
     QUIC_CONNECTION_COMP_RESUMPTION_FN  ConnectionResumptionTicketValidationComplete; // Available from v2.2
     QUIC_CONNECTION_COMP_CERT_FN        ConnectionCertificateValidationComplete;      // Available from v2.2
 
+    QUIC_CONNECTION_COMP_CERT_FN DummyValueForTest;
 } QUIC_API_TABLE;
 
 #define QUIC_API_VERSION_1      1 // Not supported any more