Bump docs for release version.

Author: ehuss

src/doc/man/cargo-metadata.adoc

@@ -235,7 +235,7 @@ The output has the following format:
                         "name": "bitflags",
                         /* The Package ID of the dependency. */
                         "pkg": "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
-                        /* Array of dependency kinds. Added in Cargo 1.38. */
+                        /* Array of dependency kinds. Added in Cargo 1.40. */
                         "dep_kinds": [
                             {
                                 /* The dependency kind.

src/doc/man/generated/cargo-metadata.html

@@ -242,7 +242,7 @@ <h2 id="cargo_metadata_output_format">OUTPUT FORMAT</h2>
                         "name": "bitflags",
                         /* The Package ID of the dependency. */
                         "pkg": "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
-                        /* Array of dependency kinds. Added in Cargo 1.38. */
+                        /* Array of dependency kinds. Added in Cargo 1.40. */
                         "dep_kinds": [
                             {
                                 /* The dependency kind.
@@ -491,4 +491,4 @@ <h2 id="cargo_metadata_see_also">SEE ALSO</h2>
 <p><a href="index.html">cargo(1)</a></p>
 </div>
 </div>
-</div>
+</div>

src/etc/man/cargo-metadata.1

@@ -256,7 +256,7 @@ The output has the following format:
                         "name": "bitflags",
                         /* The Package ID of the dependency. */
                         "pkg": "bitflags 1.0.4 (registry+https://github.com/rust\-lang/crates.io\-index)",
-                        /* Array of dependency kinds. Added in Cargo 1.38. */
+                        /* Array of dependency kinds. Added in Cargo 1.40. */
                         "dep_kinds": [
                             {
                                 /* The dependency kind.