Run gopls modernize on codebase (#34751)

Recent modernize fixes:
https://github.com/golang/tools/commits/master/gopls/internal/analysis/modernize

modules/indexer/code/bleve/token/path/path.go

@@ -51,7 +51,7 @@ func generatePathTokens(input analysis.TokenStream, reversed bool) analysis.Toke
 		slices.Reverse(input)
 	}
 
-	for i := 0; i < len(input); i++ {
+	for i := range input {
 		var sb strings.Builder
 		sb.Write(input[0].Term)
 

modules/indexer/code/git.go

@@ -129,8 +129,8 @@ func nonGenesisChanges(ctx context.Context, repo *repo_model.Repository, revisio
 		changes.Updates = append(changes.Updates, updates...)
 		return nil
 	}
-	lines := strings.Split(stdout, "\n")
-	for _, line := range lines {
+	lines := strings.SplitSeq(stdout, "\n")
+	for line := range lines {
 		line = strings.TrimSpace(line)
 		if len(line) == 0 {
 			continue

modules/indexer/code/search.go

@@ -77,7 +77,7 @@ func HighlightSearchResultCode(filename, language string, lineNums []int, code s
 
 	// The lineNums outputted by highlight.Code might not match the original lineNums, because "highlight" removes the last `\n`
 	lines := make([]*ResultLine, min(len(highlightedLines), len(lineNums)))
-	for i := 0; i < len(lines); i++ {
+	for i := range lines {
 		lines[i] = &ResultLine{
 			Num:              lineNums[i],
 			FormattedContent: template.HTML(highlightedLines[i]),