fix(cmd): remove unnecessary error print in preRun function

In the preRun function of the cmd/root.go file, the code prints an unnecessary error when no .tzapinclude file is found. This error message is misleading and can be removed.

chore: update version to v0.9.1 in Makefile and package.json

The version in Makefile and package.json files has been updated from v0.9.0 to v0.9.1. This is a chore task and does not introduce any feature or bug fix.

feat(tzapconnect): remove stub connector

BREAKING CHANGE: The stub connector has been removed from the tzapconnect package. It was no longer needed and caused unnecessary complexity in the codebase.

feat(cli): update version in Makefile and package.json

build: Update Makefile to use CGO_ENABLED=0 for all builds

Previous builds used CGO_ENABLED=0 only for some builds, but not all. This has been updated to use CGO_ENABLED=0 for all builds to ensure consistent build outputs across platforms.

build: simplify GitHub workflows for building and releasing

docs: update tzap CLI prompt command in README

Updated the `tzap embeddingprompt` command to `tzap prompt` command and made some minor changes to the command options description to make it clearer. Also updated the example command to showcase the changes.

feat: Update version number v0.8.5

chore: update version to v0.8.4

Update the version in Makefile and package.json to v0.8.4

feat(cli): add stdinworkflow to ghrelease command

This commit adds the `stdinworkflow` package to the `ghrelease` command in the CLI tool, allowing users to handle and proceed with prompts via standard input. This improves the user experience and makes it easier to automate tasks that involve the `ghrelease` command.