devendor tabulate

The vendored copy of tabulate, which was version 0.8.9, and then modified
to match py3 and random tool formatting. The main useful feature of
tabulate was the custom, compressed showkw format. Extract the custom
showkw format into pkgdev itself, and depend on tabulate>=0.9.0

Signed-off-by: Arthur Zamarin <arthurzam@gentoo.org>

Author: arthurzam

NEWS.rst

@@ -23,6 +23,11 @@ pkgdev 0.2.18 (unreleased)
   version the stablereq check considers due for stabilization if possible
   (Arthur Zamarin)
 
+**pkgdev showkw:**
+
+- showkw: drop the vendored copy of tabulate in favor of a dependency on
+  ``tabulate>=0.9.0`` (Arthur Zamarin)
+
 pkgdev 0.2.17 (2026-08-14)
 --------------------------
 

pyproject.toml

@@ -31,6 +31,7 @@ dependencies = [
 	"snakeoil~=0.11.1",
 	"pkgcore@git+https://github.com/pkgcore/pkgcore.git#master",
 	"pkgcheck~=0.10.42",
+	"tabulate>=0.9.0",
 ]
 
 [project.optional-dependencies]
@@ -70,9 +71,6 @@ exclude = [
 [tool.ruff]
 line-length = 100
 target-version = "py311"
-exclude = [
-	"src/pkgdev/_vendor/tabulate.py"
-]
 
 [tool.ruff.lint.per-file-ignores]
 "tests/**" = [