chore(deps): update module github.com/go-git/gcfg to v2

Signed-off-by: red-hat-konflux <126015336+red-hat-konflux[bot]@users.noreply.github.com>

Author: red-hat-konflux[bot]

go.mod

@@ -21,7 +21,7 @@ require (
 	github.com/cyphar/filepath-securejoin v0.4.1 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/emirpasic/gods v1.18.1 // indirect
-	github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 // indirect
+	github.com/go-git/gcfg/v2 v2.0.2 // indirect
 	github.com/go-git/go-billy/v5 v5.6.2 // indirect
 	github.com/go-jose/go-jose/v4 v4.1.2 // indirect
 	github.com/go-test/deep v1.1.1 // indirect