Add script and makefile enteries for cargo-semver-checks

This allows to run the tool manually. Right now the script doesn't
do much, but when we want to run it with various feature sets or other
flags it will be more useful.

Author: Lorak-mmk

Makefile

@@ -48,6 +48,14 @@ build:
 docs:
 	mdbook build docs
 
+.PHONY: semver-rev
+semver-rev:
+	./scripts/semver-checks.sh $(if $(rev),--baseline-rev $(rev),--baseline-rev main)
+
+.PHONY: semver-version
+semver-version:
+	./scripts/semver-checks.sh $(if $(version),--baseline-version $(version),)
+
 .PHONY: up
 up:
 	$(COMPOSE) up -d --wait

scripts/semver-checks.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+set -x
+
+cargo semver-checks -p scylla -p scylla-cql $@