Merge pull request #50451 from SebTardif

* fix-processrunner-interrupt-flag:
  Restore interrupt flag in ProcessRunner on InterruptedException

Closes gh-50451

spring-boot-project/spring-boot-docker-compose/src/main/java/org/springframework/boot/docker/compose/core/ProcessRunner.java

@@ -122,7 +122,8 @@ class ProcessRunner {
 			return process.waitFor();
 		}
 		catch (InterruptedException ex) {
-			throw new IllegalStateException("Interrupted waiting for %s".formatted(process));
+			Thread.currentThread().interrupt();
+			throw new IllegalStateException("Interrupted waiting for %s".formatted(process), ex);
 		}
 	}
 
@@ -174,6 +175,7 @@ class ProcessRunner {
 				return this.output.toString();
 			}
 			catch (InterruptedException ex) {
+				Thread.currentThread().interrupt();
 				return null;
 			}
 		}