Prepare for release version 0.8.1 (#445)

# Prepare for release version 0.8.1

Bump mcp kotlin-sdk to 0.8.1

## How Has This Been Tested?
Regression tests on CI

## Breaking Changes
<!-- Will users need to update their code or configurations? -->

## Types of changes
<!-- What types of changes does your code introduce? Put an `x` in all
the boxes that apply: -->
- [ ] 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)
- [x] Documentation update

## Checklist
<!-- Go over all the following points, and put an `x` in all the boxes
that apply. -->
- [x] I have read the [MCP
Documentation](https://modelcontextprotocol.io)
- [x] My code follows the repository's style guidelines
- [x] New and existing tests pass locally
- [x] I have added appropriate error handling
- [x] I have added or updated documentation as needed

Prepare release version 0.8.0 (#424)

bump mcp kotlin-sdk to 0.8.0

## Checklist
- [x] I have read the [MCP
Documentation](https://modelcontextprotocol.io)
- [x] My code follows the repository's style guidelines
- [x] New and existing tests pass locally
- [x] I have added appropriate error handling
- [x] I have added or updated documentation as needed

Prepare to 0.7.7 (#384)

## Motivation and Context
Prepare to release 0.7.7

## How Has This Been Tested?
Regression

## Breaking Changes
No

## Types of changes
<!-- What types of changes does your code introduce? Put an `x` in all
the boxes that apply: -->
- [ ] 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)
- [x] Documentation update

## Checklist
<!-- Go over all the following points, and put an `x` in all the boxes
that apply. -->
- [x] I have read the [MCP
Documentation](https://modelcontextprotocol.io)
- [x] My code follows the repository's style guidelines
- [x] New and existing tests pass locally
- [ ] I have added appropriate error handling
- [ ] I have added or updated documentation as needed

## Additional context
<!-- Add any other context, implementation notes, or design decisions
-->

Prepare release 0.7.6 (#379)

Bump kotlin-sdk version to 0.7.6

## Breaking Changes
None

Release 0.7.5 (#373)

Prepare release 0.7.4 (#341)

Bump version sdk to 0.7.4

Release 0.7.3

Prepare 0.6.1

Release 0.7.2 (#285)

prepare new release 0.7.2

Prepare prerelease 0.7.2-alpha3 (#284)

Prepare new prerelease. Bump version to 0.7.2-alpha3