This adds GLib.VariantDict, which is needed for
ostree_repo_commit_add_composefs_metadata(), and OSTree.BlobReader
which are needed for ostree_sign_read_sk().
With these we can sign ostree commits with composefs digests in them.
generate = [
"OSTree.AsyncProgress",
+ "OSTree.BlobReader",
"OSTree.BootconfigParser",
"OSTree.ChecksumFlags",
"OSTree.ContentWriter",
"GLib.Quark",
"GLib.String",
"GLib.Variant",
+ "GLib.VariantDict",
"GLib.VariantType",
# [MANUAL] types implemented by hand