build(deps): bump github.com/go-git/go-git/v5 from 5.4.2 to 5.11.0

Bumps [github.com/go-git/go-git/v5](https://github.com/go-git/go-git) from 5.4.2 to 5.11.0.
- [Release notes](https://github.com/go-git/go-git/releases)
- [Commits](https://github.com/go-git/go-git/compare/v5.4.2...v5.11.0)

---
updated-dependencies:
- dependency-name: github.com/go-git/go-git/v5
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/github.com/go-git/go-git/v5/worktree_commit.go

@@ -2,6 +2,7 @@ package git
 
 import (
 	"bytes"
+	"errors"
 	"path"
 	"sort"
 	"strings"
@@ -16,6 +17,12 @@ import (
 	"github.com/go-git/go-billy/v5"
 )
 
+var (
+	// ErrEmptyCommit occurs when a commit is attempted using a clean
+	// working tree, with no changes to be committed.
+	ErrEmptyCommit = errors.New("cannot create empty commit: clean working tree")
+)
+
 // Commit stores the current contents of the index in a new commit along with
 // a log message from the user describing the changes.
 func (w *Worktree) Commit(msg string, opts *CommitOptions) (plumbing.Hash, error) {
@@ -29,22 +36,39 @@ func (w *Worktree) Commit(msg string, opts *CommitOptions) (plumbing.Hash, error
 		}
 	}
 
-	idx, err := w.r.Storer.Index()
-	if err != nil {
-		return plumbing.ZeroHash, err
+	var treeHash plumbing.Hash
+
+	if opts.Amend {
+		head, err := w.r.Head()
+		if err != nil {
+			return plumbing.ZeroHash, err
+		}
+
+		t, err := w.r.getTreeFromCommitHash(head.Hash())
+		if err != nil {
+			return plumbing.ZeroHash, err
+		}
+
+		treeHash = t.Hash
+		opts.Parents = []plumbing.Hash{head.Hash()}
+	} else {
+		idx, err := w.r.Storer.Index()
+		if err != nil {
+			return plumbing.ZeroHash, err
+		}
+
+		h := &buildTreeHelper{
+			fs: w.Filesystem,
+			s:  w.r.Storer,
+		}
+
+		treeHash, err = h.BuildTree(idx, opts)
+		if err != nil {
+			return plumbing.ZeroHash, err
+		}
 	}
 
-	h := &buildTreeHelper{
-		fs: w.Filesystem,
-		s:  w.r.Storer,
-	}
-
-	tree, err := h.BuildTree(idx)
-	if err != nil {
-		return plumbing.ZeroHash, err
-	}
-
-	commit, err := w.buildCommitObject(msg, opts, tree)
+	commit, err := w.buildCommitObject(msg, opts, treeHash)
 	if err != nil {
 		return plumbing.ZeroHash, err
 	}
@@ -145,7 +169,11 @@ type buildTreeHelper struct {
 
 // BuildTree builds the tree objects and push its to the storer, the hash
 // of the root tree is returned.
-func (h *buildTreeHelper) BuildTree(idx *index.Index) (plumbing.Hash, error) {
+func (h *buildTreeHelper) BuildTree(idx *index.Index, opts *CommitOptions) (plumbing.Hash, error) {
+	if len(idx.Entries) == 0 && (opts == nil || !opts.AllowEmptyCommits) {
+		return plumbing.ZeroHash, ErrEmptyCommit
+	}
+
 	const rootNode = ""
 	h.trees = map[string]*object.Tree{rootNode: {}}
 	h.entries = map[string]*object.TreeEntry{}
@@ -235,4 +263,4 @@ func (h *buildTreeHelper) copyTreeToStorageRecursive(parent string, t *object.Tr
 		return hash, nil
 	}
 	return h.s.SetEncodedObject(o)
-}
+}