bump: update version to 0.8.3 (#488)

Update version to 0.8.3. Prepare for release

## Motivation and Context
Prepare for release

## How Has This Been Tested?
CI

## Breaking Changes
No

## Types of changes
- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] Documentation update
- [x] CI update

Author: kpavlov

gradle.properties

@@ -14,4 +14,4 @@ kotlin.mpp.enableCInteropCommonization=true
 kotlin.native.ignoreDisabledTargets=true
 
 group=io.modelcontextprotocol
-version=0.8.2
+version=0.8.3