Merge 44b40e45b451a38b6872bd0d81d6c5bd82fc2834 into 26c3a628655cad2388380cb8102d6ce7d4875f3b

Bumps the actions group with 1 update: [actions/cache](https://github.com/actions/cache).


Updates `actions/cache` from 4 to 5
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](https://github.com/actions/cache/compare/v4...v5)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/gin.yml

@@ -65,7 +65,7 @@ jobs:
         with:
           ref: ${{ github.ref }}
 
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: |
             ${{ matrix.go-build }}

response_writer.go

@@ -117,7 +117,11 @@ func (w *responseWriter) Hijack() (net.Conn, *bufio.ReadWriter, error) {
 	if w.size < 0 {
 		w.size = 0
 	}
-	return w.ResponseWriter.(http.Hijacker).Hijack()
+	hijacker, ok := w.ResponseWriter.(http.Hijacker)
+	if !ok {
+		return nil, nil, errors.New("response writer does not support Hijack")
+	}
+	return hijacker.Hijack()
 }
 
 // CloseNotify implements the http.CloseNotifier interface.
@@ -128,7 +132,9 @@ func (w *responseWriter) CloseNotify() <-chan bool {
 // Flush implements the http.Flusher interface.
 func (w *responseWriter) Flush() {
 	w.WriteHeaderNow()
-	w.ResponseWriter.(http.Flusher).Flush()
+	if f, ok := w.ResponseWriter.(http.Flusher); ok {
+		f.Flush()
+	}
 }
 
 func (w *responseWriter) Pusher() (pusher http.Pusher) {

response_writer_test.go

@@ -113,10 +113,8 @@ func TestResponseWriterHijack(t *testing.T) {
 	writer.reset(testWriter)
 	w := ResponseWriter(writer)
 
-	assert.Panics(t, func() {
-		_, _, err := w.Hijack()
-		require.NoError(t, err)
-	})
+	_, _, err := w.Hijack()
+	assert.Equal(t, "response writer does not support Hijack", err.Error())
 	assert.True(t, w.Written())
 
 	assert.Panics(t, func() {