chore!: bump version (minor)

v0.20.0 finishes a set of breaking changes:
 - Various resources (config, environment, and runtime files) are consolidated
   into `uwsm` subdirs. Old paths no longer considered.
 - Automatic finalization mechanism: existing plugins will no longer prevent
   compositors from signaling unit readiness and putting vars in activation
   environments.

Props to @YaLTeR for pointing me into the right direction with autofinaization.

debian/changelog

@@ -1,5 +1,5 @@
-uwsm (0.19.1-1~local0) UNRELEASED; urgency=medium
+uwsm (0.20.0-1~local0) UNRELEASED; urgency=medium
 
   * Upstream build.
 
- -- Vladimir-csp <[email protected]>  Wed, 18 Sep 2024 00:18:16 +0300
+ -- Vladimir-csp <[email protected]>  Thu, 26 Sep 2024 01:48:01 +0300

version.sh

@@ -3,7 +3,7 @@
 # Generates version string modified from "git describe" output,
 # or a fallback version if not in git repo.
 
-VERSION=0.19.1
+VERSION=0.20.0
 
 set -e