vendor: bump buildah to v1.26.1-0.20220524184833-5500333c2e06

Bump buildah to v1.26.1-0.20220524184833-5500333c2e06

Signed-off-by: Aditya R <arajan@redhat.com>

vendor/github.com/containers/buildah/define/build.go

@@ -11,6 +11,21 @@ import (
 	"golang.org/x/sync/semaphore"
 )
 
+// AdditionalBuildContext contains verbose details about a parsed build context from --build-context
+type AdditionalBuildContext struct {
+	// Value is the URL of an external tar archive.
+	IsURL bool
+	// Value is the name of an image which may or may not have already been pulled.
+	IsImage bool
+	// Value holds a URL, an image name, or an absolute filesystem path.
+	Value string
+	// Absolute filesystem path to downloaded and exported build context
+	// from external tar archive. This will be populated only if following
+	// buildcontext is created from IsURL and was downloaded before in any
+	// of the RUN step.
+	DownloadedCache string
+}
+
 // CommonBuildOptions are resources that can be defined by flags for both buildah from and build
 type CommonBuildOptions struct {
 	// AddHost is the list of hostnames to add to the build container's /etc/hosts.
@@ -121,6 +136,8 @@ type BuildOptions struct {
 	Compression archive.Compression
 	// Arguments which can be interpolated into Dockerfiles
 	Args map[string]string
+	// Map of external additional build contexts
+	AdditionalBuildContexts map[string]*AdditionalBuildContext
 	// Name of the image to write to.
 	Output string
 	// BuildOutput specifies if any custom build output is selected for following build.
@@ -187,6 +204,8 @@ type BuildOptions struct {
 	DropCapabilities []string
 	// CommonBuildOpts is *required*.
 	CommonBuildOpts *CommonBuildOptions
+	// CPPFlags are additional arguments to pass to the C Preprocessor (cpp).
+	CPPFlags []string
 	// DefaultMountsFilePath is the file path holding the mounts to be mounted in "host-path:container-path" format
 	DefaultMountsFilePath string
 	// IIDFile tells the builder to write the image ID to the specified file