docs: include new public flag in metadata schema

Author: eopb

src/doc/man/cargo-metadata.md

@@ -123,7 +123,12 @@ The JSON output has the following format:
                        If not specified or null, the dependency is from the default
                        registry (crates.io).
                     */
-                    "registry": null
+                    "registry": null,
+                    /* (unstable) Boolean flag of whether or not this is a pulbic
+                       dependency. This field is only present when
+                       `-Zpublic-dependency` is enabled.
+                    */
+                    "public": false
                 }
             ],
             /* Array of Cargo targets. */

src/doc/man/generated_txt/cargo-metadata.txt

@@ -119,7 +119,12 @@ OUTPUT FORMAT
                                   If not specified or null, the dependency is from the default
                                   registry (crates.io).
                                */
-                               "registry": null
+                               "registry": null,
+                               /* (unstable) Boolean flag of whether or not this is a pulbic
+                                  dependency. This field is only present when
+                                  `-Zpublic-dependency` is enabled.
+                               */
+                               "public": false
                            }
                        ],
                        /* Array of Cargo targets. */

src/doc/src/commands/cargo-metadata.md

@@ -123,7 +123,12 @@ The JSON output has the following format:
                        If not specified or null, the dependency is from the default
                        registry (crates.io).
                     */
-                    "registry": null
+                    "registry": null,
+                    /* (unstable) Boolean flag of whether or not this is a pulbic
+                       dependency. This field is only present when
+                       `-Zpublic-dependency` is enabled.
+                    */
+                    "public": false
                 }
             ],
             /* Array of Cargo targets. */

src/etc/man/cargo-metadata.1

@@ -125,7 +125,12 @@ The JSON output has the following format:
                        If not specified or null, the dependency is from the default
                        registry (crates.io).
                     */
-                    "registry": null
+                    "registry": null,
+                    /* (unstable) Boolean flag of whether or not this is a pulbic
+                       dependency. This field is only present when
+                       `\-Zpublic\-dependency` is enabled.
+                    */
+                    "public": false
                 }
             ],
             /* Array of Cargo targets. */