Update templates to v0.3.0 (#73)

- Clear release notes
- Bump repo-config versoin in templates and docs

Author: llucax

RELEASE_NOTES.md

@@ -2,39 +2,16 @@
 
 ## Summary
 
-This release is a major step and adds many features and breaking changes.
+<!-- Here goes a general summary of what this release is about -->
 
 ## Upgrading
 
-Since this project is still in heavy development, the easiest way to upgrade is
-to regenerate the templates. Please follow the instructions in the new
-documentation website about [updating
-projects](https://frequenz-floss.github.io/frequenz-repo-config-python/next/#update-an-existing-project).
+<!-- Here goes notes on how to upgrade from previous versions, including deprecations and what they should be replaced with --> 
 
 ## New Features
 
-This is just a quick (non-comprehensive) summary of the new features:
-
-* Add `--diff` as a default argument for `isort`
-* Improve `README`
-* Don't import modules into packages
-* Support migrating and updating existing projects with Cookiecutter
-* Cookiecutter template
-
-  * Add `dependabot` configuration
-  * Add issue templates, keyword labeler, and PR labeler
-  * Add `CODEOWNERS` file
-  * Add `direnv`-related files to `.gitignore`
-  * Add GitHub CI workflow to `cookiecutter`
-  * Add `CONTRIBUTING` guide to `cookiecutter`
-  * Add `RELEASE_NOTES` to `cookiecutter`
-  * Add support to generate documentation using `mkdocs`
-
-* Apply all the Cookiecutter template improvements to this project
+<!-- Here goes the main new features and examples or instructions on how to use them -->
 
 ## Bug Fixes
 
-This is just a quick (non-comprehensive) summary of bug fixes:
-
-* Fix some comments about creating labels
-* Fix tests
+<!-- Here goes notable bug fixes that are worth a special mention or explanation -->

cookiecutter/{{cookiecutter.github_repo_name}}/pyproject.toml

@@ -5,7 +5,7 @@
 requires = [
   "setuptools == 67.7.2",
   "setuptools_scm[toml] == 7.1.0",
-  "frequenz-repo-config[{{cookiecutter.type}}] == 0.2.0",
+  "frequenz-repo-config[{{cookiecutter.type}}] == 0.3.0",
 ]
 build-backend = "setuptools.build_meta"
 
@@ -75,7 +75,7 @@ dev-mypy = [
 ]
 dev-noxfile = [
   "nox == 2023.4.22",
-  "frequenz-repo-config[{{cookiecutter.type}}] == 0.2.0",
+  "frequenz-repo-config[{{cookiecutter.type}}] == 0.3.0",
 ]
 dev-pylint = [
   "pylint == 2.17.3",

src/frequenz/repo/config/__init__.py

@@ -286,7 +286,7 @@
 requires = [
   "setuptools >= 67.3.2, < 68",
   "setuptools_scm[toml] >= 7.1.0, < 8",
-  "frequenz-repo-config[api] >= 0.1.0, < 0.2.0",
+  "frequenz-repo-config[api] >= 0.1.0, < 0.3.0",
 ]
 build-backend = "setuptools.build_meta"