chore: update cgroups and ttrpc versions

- update github.com/containerd/cgroups to v1.1.0
- update github.com/containerd/ttrpc to v1.2.1

Signed-off-by: Akhil Mohan <akhilerm@gmail.com>

vendor/github.com/cilium/ebpf/internal/elf.go

@@ -35,6 +35,29 @@ func NewSafeELFFile(r io.ReaderAt) (safe *SafeELFFile, err error) {
 	return &SafeELFFile{file}, nil
 }
 
+// OpenSafeELFFile reads an ELF from a file.
+//
+// It works like NewSafeELFFile, with the exception that safe.Close will
+// close the underlying file.
+func OpenSafeELFFile(path string) (safe *SafeELFFile, err error) {
+	defer func() {
+		r := recover()
+		if r == nil {
+			return
+		}
+
+		safe = nil
+		err = fmt.Errorf("reading ELF file panicked: %s", r)
+	}()
+
+	file, err := elf.Open(path)
+	if err != nil {
+		return nil, err
+	}
+
+	return &SafeELFFile{file}, nil
+}
+
 // Symbols is the safe version of elf.File.Symbols.
 func (se *SafeELFFile) Symbols() (syms []elf.Symbol, err error) {
 	defer func() {
@@ -66,3 +89,14 @@ func (se *SafeELFFile) DynamicSymbols() (syms []elf.Symbol, err error) {
 	syms, err = se.File.DynamicSymbols()
 	return
 }
+
+// SectionsByType returns all sections in the file with the specified section type.
+func (se *SafeELFFile) SectionsByType(typ elf.SectionType) []*elf.Section {
+	sections := make([]*elf.Section, 0, 1)
+	for _, section := range se.Sections {
+		if section.Type == typ {
+			sections = append(sections, section)
+		}
+	}
+	return sections
+}