fix pmd AvoidThrowingRawExceptionTypes

Author: Benjosh95

examples/authentication/src/main/java/cloud/stackit/sdk/authentication/examples/AuthenticationExample.java

@@ -37,7 +37,7 @@ public static void main(String[] args) {
 				LOGGER.info(response.toString());
 			}
 		} catch (ApiException | IOException e) {
-			throw new RuntimeException(e);
+			throw new IllegalStateException(e);
 		}
 
 		/*
@@ -97,7 +97,7 @@ public static void main(String[] args) {
 				LOGGER.info(response.toString());
 			}
 		} catch (ApiException | IOException e) {
-			throw new RuntimeException(e);
+			throw new IllegalStateException(e);
 		}
 
 		/*
@@ -136,7 +136,7 @@ public static void main(String[] args) {
 				LOGGER.info(response.toString());
 			}
 		} catch (ApiException | IOException e) {
-			throw new RuntimeException(e);
+			throw new IllegalStateException(e);
 		}
 	}
 

examples/custom-http-client/src/main/java/cloud/stackit/sdk/customhttpclient/examples/CustomHttpClientExample.java

@@ -56,7 +56,7 @@ public static void main(String[] args) throws IOException {
 				}
 			}
 		} catch (ApiException e) {
-			throw new RuntimeException(e);
+			throw new IllegalStateException(e);
 		}
 	}
 }

examples/iaas/src/main/java/cloud/stackit/sdk/iaas/examples/IaaSExample.java

@@ -323,7 +323,7 @@ public static void main(String[] args) throws IOException {
 			}
 
 		} catch (ApiException | InterruptedException e) {
-			throw new RuntimeException(e);
+			throw new IllegalStateException(e);
 		}
 	}