Update golang packages to v1.23 (v7.0/forgejo) (minor) (#7081)

- Bump golangci-lint and fixes new linting issues.
- Bump golang.org/x/crypto.
- Bump deadcode package
- Bump govulncheck.

Co-authored-by: Gusted <postmaster@gusted.xyz>
Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/7081
Reviewed-by: Michael Kriese <michael.kriese@gmx.de>
Co-authored-by: Renovate Bot <forgejo-renovate-action@forgejo.org>
Co-committed-by: Renovate Bot <forgejo-renovate-action@forgejo.org>

services/gitdiff/gitdiff_test.go

@@ -5,7 +5,6 @@
 package gitdiff
 
 import (
-	"fmt"
 	"strconv"
 	"strings"
 	"testing"
@@ -645,9 +644,9 @@ func TestGetDiffRangeWithWhitespaceBehavior(t *testing.T) {
 				MaxFiles:           setting.Git.MaxGitDiffFiles,
 				WhitespaceBehavior: behavior,
 			})
-		require.NoError(t, err, fmt.Sprintf("Error when diff with %s", behavior))
+		require.NoError(t, err, "Error when diff with %s", behavior)
 		for _, f := range diffs.Files {
-			assert.Positive(t, len(f.Sections), fmt.Sprintf("%s should have sections", f.Name))
+			assert.NotEmpty(t, f.Sections, "%s should have sections", f.Name)
 		}
 	}
 }