fix: use default ColorJS precision and support math in modifiers

* refactor: prepare a constants file for default math fraction digits and default color precision

* fix: explicitly set the default color precision equally where ColorJS is used [#352]

* test: update unit test assertions

* chore: updated package-lock.json in order to get the unit tests run again

(cherry picked from commit 1c151ee)

* fix: migrate to latest TS and colorjs.io, move to vitest

(cherry picked from commit 76dbfba)

# Conflicts:
#	test/integration/color-modifier-references.test.ts
#	test/spec/color-modifiers/transformColorModifiers.spec.ts

* fix: resolve calculated color modifier values [#348]

* tests(unit): add mix modifier value calculation unit test

(cherry picked from commit 0e7ce70)

* tests(integration): add mix color integration tests

(cherry picked from commit 72bca07)

# Conflicts:
#	test/integration/color-modifier-references.test.ts

* tests: add a view more tests for alpha, lighten and darken color modifier value calculations

* chore: adding changeset

---------

Co-authored-by: Dario Soller <dario.soller@allianz.de>
Co-authored-by: jorenbroekema <joren.broekema@gmail.com>

Author: 3 people

.changeset/grumpy-lights-leave.md

@@ -0,0 +1,7 @@
+---
+'@tokens-studio/sd-transforms': minor
+---
+
+- Supporting color modifier value calculations
+- Changing the default color precision to the ColorJS default of 5
+- Updating the integration tests to use vitest instead of mocha chai