style: format code with Gofumpt and Prettier

This commit fixes the style issues introduced in d70dc90 according to the output
from Gofumpt and Prettier.

Details: #2696

hack/docker/gen/main.go

@@ -461,8 +461,8 @@ func extractVariables(value string) []string {
 
 // topologicalSort sorts the elements topologically and ensures that equal-level nodes are sorted by name
 func topologicalSort(envMap map[string]string) []string {
-	inDegree := make(map[string]int)       // Tracks the in-degree of each node
-	graph := make(map[string][]string)     // Tracks the edges between nodes
+	inDegree := make(map[string]int)         // Tracks the in-degree of each node
+	graph := make(map[string][]string)       // Tracks the edges between nodes
 	result := make([]string, 0, len(envMap)) // Result slice pre-allocated for efficiency
 
 	gl := 0