Merge 1fc030afe4 into 37ac2de2af

Bump github/codeql-action from 3.27.1 to 3.27.2

.github/workflows/codeql-analysis.yml

@@ -54,7 +54,7 @@ jobs:
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@4f3212b61783c3c68e8309a0f18a699764811cda # v3.27.1
+      uses: github/codeql-action/init@9278e421667d5d90a2839487a482448c4ec7df4d # v3.27.2
       with:
         languages: ${{ matrix.language }}
         # If you wish to specify custom queries, you can do so here or in a config file.
@@ -65,7 +65,7 @@ jobs:
     # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
     # If this step fails, then you should remove it and run the build manually (see below)
     - name: Autobuild
-      uses: github/codeql-action/autobuild@4f3212b61783c3c68e8309a0f18a699764811cda # v3.27.1
+      uses: github/codeql-action/autobuild@9278e421667d5d90a2839487a482448c4ec7df4d # v3.27.2
 
     # ℹ️ Command-line programs to run using the OS shell.
     # 📚 https://git.io/JvXDl
@@ -79,4 +79,4 @@ jobs:
     #   make release
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@4f3212b61783c3c68e8309a0f18a699764811cda # v3.27.1
+      uses: github/codeql-action/analyze@9278e421667d5d90a2839487a482448c4ec7df4d # v3.27.2

.github/workflows/scorecards.yml

@@ -75,6 +75,6 @@ jobs:
 
       # Upload the results to GitHub's code scanning dashboard.
       - name: "Upload to code-scanning"
-        uses: github/codeql-action/upload-sarif@4f3212b61783c3c68e8309a0f18a699764811cda # v3.27.1
+        uses: github/codeql-action/upload-sarif@9278e421667d5d90a2839487a482448c4ec7df4d # v3.27.2
         with:
           sarif_file: results.sarif

senderror.go

@@ -133,6 +133,10 @@ func (e *SendError) Is(errType error) bool {
 	return false
 }
 
+func (e *SendError) Unwrap() []error {
+	return e.errlist
+}
+
 // IsTemp returns true if the delivery error is of a temporary nature and can be retried.
 //
 // This function checks whether the SendError indicates a temporary error, which suggests
@@ -224,3 +228,5 @@ func (r SendErrReason) String() string {
 func isTempError(err error) bool {
 	return err.Error()[0] == '4'
 }
+
+var _ interface{ Unwrap() []error } = &SendError{}