Fix whitespace errors and update editorconfig to match requirements.

Author: bergmannf

.editorconfig

@@ -4,8 +4,8 @@ root = true
 end_of_line = lf
 charset = utf-8
 trim_trailing_whitespace = true
-insert_final_newline = false
+insert_final_newline = true
 
 [*.go]
 indent_style = tab
-tab_width = 4
+tab_width = 4

pkg/investigations/ccam/ccam.go

@@ -107,4 +107,4 @@ func customerRemovedPermissions(backplaneError string) bool {
 	}
 
 	return false
-}
+}

pkg/investigations/ccam/ccam_test.go

@@ -72,4 +72,4 @@ func TestCustomerRemovedPermissions(t *testing.T) {
 			}
 		})
 	}
-}
+}

pkg/investigations/chgm/chgm_test.go

@@ -616,4 +616,4 @@ var _ = Describe("chgm", func() {
 			})
 		})
 	})
-})
+})

pkg/investigations/clustermonitoringerrorbudgetburn/clustermonitoringerrorbudgetburn.go

@@ -79,4 +79,4 @@ func isUWMConfigInvalid(monitoringCo *configv1.ClusterOperator) bool {
 		}
 	}
 	return false
-}
+}

pkg/investigations/cpd/cpd.go

@@ -133,4 +133,4 @@ func isSubnetRouteValid(awsClient aws.Client, subnetID string) (bool, error) {
 
 	// We haven't found a default route to the internet, so this subnet has an invalid route table
 	return false, nil
-}
+}

pkg/investigations/investigation.go

@@ -41,4 +41,4 @@ type Resources struct {
 	OcmClient           ocm.Client
 	PdClient            pagerduty.Client
 	AdditionalResources map[string]interface{}
-}
+}