feat: pass cwd and env context to plugins

- Allow to run semantic-release (via API) from anywhere passing the current working directory.
- Allows to simplify the tests and to run them in parallel in both the core and plugins.

test/fixtures/plugin-identity.js

@@ -1 +1 @@
-module.exports = (pluginConfig, options) => options;
+module.exports = (pluginConfig, context) => context;

test/fixtures/plugin-log-env.js

@@ -0,0 +1,6 @@
+module.exports = (pluginConfig, {env, logger}) => {
+  console.log(`Console: Exposing token ${env.MY_TOKEN}`);
+  logger.log(`Log: Exposing token ${env.MY_TOKEN}`);
+  logger.error(`Error: Console token ${env.MY_TOKEN}`);
+  throw new Error(`Throw error: Exposing ${env.MY_TOKEN}`);
+};

test/fixtures/plugin-result-config.js

@@ -1 +1 @@
-module.exports = (pluginConfig, options) => ({pluginConfig, options});
+module.exports = (pluginConfig, context) => ({pluginConfig, context});