Add doc for release process

Also resets the VERSION before next release, to validate the doc

Author: harsimranmaan

.github/Release_process.md

@@ -0,0 +1,8 @@
+# Release process
+
+* Update changelog and version directly on main and commit locally with ""update changelog, up version" comment  (thank any contributors in changelog)
+  * Bump minor version when upgrading marquee dependencies (jsonnet, k8s client, golang, etc.) or when making incompatible changes
+* run `./prepare-release.sh`
+* push to main with --tags
+
+profit!!

Makefile

@@ -1,6 +1,6 @@
 include Makefile.tools
 
-VERSION         := 0.15.0
+VERSION         := 0.14.8
 SHORT_COMMIT    := $(shell git rev-parse --short HEAD 2>/dev/null || echo dev)
 GO_VERSION      := $(shell go version | awk '{ print $$3}' | sed 's/^go//')
 FMT_OPTIONS     := -x '**/testdata' -x site/themes -x '.vscode/*' -x dist -t jsonnet -t json -t yaml