Merge pull request #4573 from SimonCropp/use-Write-char

use Write char

Author: devlead

src/Cake.Common/Build/GitHubActions/Commands/GitHubActionsCommands.cs

@@ -194,7 +194,7 @@ public void SetOutputParameter(string key, string value)
             using var stream = file.Open(FileMode.Append, FileAccess.Write, FileShare.None);
             using var writer = new StreamWriter(stream);
             writer.Write(key);
-            writer.Write("=");
+            writer.Write('=');
             writer.WriteLine(value);
         }
 

src/Cake.Common/Build/GitLabCI/GitLabCICommands.cs

@@ -51,7 +51,7 @@ public void SetEnvironmentVariable(FilePath envPath, string key, string value)
             using var stream = file.Open(FileMode.Append, FileAccess.Write, FileShare.None);
             using var writer = new StreamWriter(stream);
             writer.Write(key);
-            writer.Write("=");
+            writer.Write('=');
             writer.WriteLine(value);
         }
     }

src/Cake.Common/Build/WoodpeckerCI/Commands/WoodpeckerCICommands.cs

@@ -63,9 +63,9 @@ public void SetEnvironmentVariable(string name, string value)
                 using var stream = file.Open(FileMode.Append, FileAccess.Write, FileShare.None);
                 using var writer = new StreamWriter(stream);
                 writer.Write(name);
-                writer.Write("=");
+                writer.Write('=');
                 writer.Write(value);
-                writer.Write("\n");
+                writer.Write('\n');
             }
         }