bump to version 20.10.9:

Author: eoinmcafee00

CHANGELOG.md

@@ -1,5 +1,13 @@
 # Changelog
 
+## [v20.10.9](https://github.com/drone-plugins/drone-docker/tree/v20.10.9) (2021-11-02)
+
+[Full Changelog](https://github.com/drone-plugins/drone-docker/compare/v19.03.9...v20.10.9)
+
+**Merged pull requests:**
+
+- Upgrade Docker dind to 20.10.9 for 64bit platforms [\#334](https://github.com/drone-plugins/drone-docker/pull/334) ([gzm0](https://github.com/gzm0))
+
 ## [v19.03.9](https://github.com/drone-plugins/drone-docker/tree/v19.03.9) (2021-10-13)
 
 [Full Changelog](https://github.com/drone-plugins/drone-docker/compare/v19.03.8...v19.03.9)
@@ -17,6 +25,8 @@
 
 **Merged pull requests:**
 
+- \(maint\) bump git to 1.13 for build and test [\#338](https://github.com/drone-plugins/drone-docker/pull/338) ([tphoney](https://github.com/tphoney))
+- \(maint\) v19.03.9 release prep [\#337](https://github.com/drone-plugins/drone-docker/pull/337) ([tphoney](https://github.com/tphoney))
 - \(maint\) CI, remove the dry run steps, due to rate limiting [\#323](https://github.com/drone-plugins/drone-docker/pull/323) ([tphoney](https://github.com/tphoney))
 - Update seccomp to 20.10 docker [\#322](https://github.com/drone-plugins/drone-docker/pull/322) ([techknowlogick](https://github.com/techknowlogick))
 

README.md

@@ -72,3 +72,23 @@ docker run --rm \
   --privileged \
   plugins/docker --dry-run
 ```
+
+## Release procedure
+
+Run the changelog generator.
+
+```BASH
+docker run -it --rm -v "$(pwd)":/usr/local/src/your-app githubchangeloggenerator/github-changelog-generator -u drone-plugins -p drone-docker -t <secret github token>
+```
+
+You can generate a token by logging into your GitHub account and going to Settings -> Personal access tokens.
+
+Next we tag the PR's with the fixes or enhancements labels. If the PR does not fufil the requirements, do not add a label.
+
+Run the changelog generator again with the future version according to semver.
+
+```BASH
+docker run -it --rm -v "$(pwd)":/usr/local/src/your-app githubchangeloggenerator/github-changelog-generator -u drone-plugins -p drone-docker -t <secret token> --future-release v1.0.0
+```
+
+Create your pull request for the release. Get it merged then tag the release.