chore: Update PyPI metadata (#501)

Author: edgarrmondragon

.github/workflows/release.yml

@@ -42,3 +42,5 @@ jobs:
         file_glob: true
     - name: Deploy to PyPI
       uses: pypa/gh-action-pypi-publish@v1.10.1
+      with:
+        attestations: true

poetry.lock

@@ -1,13 +1,14 @@
 [tool.poetry]
 name = "meltanolabs-tap-postgres"
 version = "0.0.0"
-description = "`tap-postgres` is a Singer tap for Postgres, built with the Meltano SDK for Singer Targets."
+description = "Singer tap for Postgres, built with the Meltano SDK for Singer Targets."
 authors = ["Meltano Team and Contributors <hello@meltano.com>"]
 maintainers = ["Meltano Team and Contributors <hello@meltano.com>"]
 license = "MIT"
 readme = "README.md"
 homepage = "https://meltano.com"
 repository = "https://github.com/meltanolabs/tap-postgres"
+documentation = "https://github.com/meltanolabs/tap-postgres/blob/main/README.md"
 keywords = [
     "Postgres",
     "Singer",