vendor: update buildkit to v0.18.0-rc1

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

vendor/github.com/docker/docker/api/swagger.yaml

@@ -7876,10 +7876,12 @@ paths:
           type: "string"
         - name: "h"
           in: "query"
+          required: true
           description: "Height of the TTY session in characters"
           type: "integer"
         - name: "w"
           in: "query"
+          required: true
           description: "Width of the TTY session in characters"
           type: "integer"
       tags: ["Container"]
@@ -9244,6 +9246,19 @@ paths:
             all tags of the given image that are present in the local image store
             are pushed.
           type: "string"
+        - name: "platform"
+          type: "string"
+          in: "query"
+          description: |
+            JSON-encoded OCI platform to select the platform-variant to push.
+            If not provided, all available variants will attempt to be pushed.
+
+            If the daemon provides a multi-platform image store, this selects
+            the platform-variant to push to the registry. If the image is
+            a single-platform image, or if the multi-platform image does not
+            provide a variant matching the given platform, an error is returned.
+
+            Example: `{"os": "linux", "architecture": "arm", "variant": "v5"}`
         - name: "X-Registry-Auth"
           in: "header"
           description: |
@@ -9253,11 +9268,6 @@ paths:
             details.
           type: "string"
           required: true
-        - name: "platform"
-          in: "query"
-          description: "Select a platform-specific manifest to be pushed. OCI platform (JSON encoded)"
-          type: "string"
-          x-nullable: true
       tags: ["Image"]
   /images/{name}/tag:
     post:
@@ -10203,10 +10213,12 @@ paths:
           type: "string"
         - name: "h"
           in: "query"
+          required: true
           description: "Height of the TTY session in characters"
           type: "integer"
         - name: "w"
           in: "query"
+          required: true
           description: "Width of the TTY session in characters"
           type: "integer"
       tags: ["Exec"]

vendor/github.com/docker/docker/api/types/types.go

@@ -484,4 +484,6 @@ type BuildCachePruneOptions struct {
 	All         bool
 	KeepStorage int64
 	Filters     filters.Args
+
+	// FIXME(thaJeztah): add new options; see https://github.com/moby/moby/issues/48639
 }

vendor/github.com/docker/docker/client/client.go

@@ -2,7 +2,7 @@
 Package client is a Go client for the Docker Engine API.
 
 For more information about the Engine API, see the documentation:
-https://docs.docker.com/engine/api/
+https://docs.docker.com/reference/api/engine/
 
 # Usage
 
@@ -247,6 +247,14 @@ func (cli *Client) tlsConfig() *tls.Config {
 
 func defaultHTTPClient(hostURL *url.URL) (*http.Client, error) {
 	transport := &http.Transport{}
+	// Necessary to prevent long-lived processes using the
+	// client from leaking connections due to idle connections
+	// not being released.
+	// TODO: see if we can also address this from the server side,
+	// or in go-connections.
+	// see: https://github.com/moby/moby/issues/45539
+	transport.MaxIdleConns = 6
+	transport.IdleConnTimeout = 30 * time.Second
 	err := sockets.ConfigureTransport(transport, hostURL.Scheme, hostURL.Host)
 	if err != nil {
 		return nil, err