Reduce keyword count for crates.io

Author: t-mart

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "nextver"
-version = "0.8.1"
+version = "0.8.2"
 authors = ["Tim Martin <tim@tim.direct>"]
 readme = "README.md"
 repository = "https://github.com/t-mart/nextver"
@@ -13,14 +13,7 @@ keywords = [
     "version",
     "semver",
     "calver",
-    "increment",
     "bump",
-    "next",
-    "release",
-    "tag",
-    "git",
-    "vcs",
-    "versioning",
 ]
 categories = ["development-tools::version-management"]