refactor: update ci/cd scripts, switch to pnpm (#763)

* refactor: update ci/cd scripts, switch to pnpm

* updated workflow

* add new packages github action. Bump package.json version (#762)

* Update packages/transport-deno/scripts/build_npm.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update packages/core/package.json

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update packages/transport-deno/scripts/build_npm.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update packages/transport-deno/scripts/build_npm.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update packages/transport-deno/scripts/build_npm.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update .github/workflows/release-packages.yml

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* revert copilot suggestion

* adding lock file

* regenerate lock file

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

README.md

@@ -43,7 +43,7 @@ All `Meshtastic JS` packages (core and transports) are published both to
 
 This monorepo leverages the following technologies:
 
-- **Runtime:** Bun / Deno
+- **Runtime:** pnpm / Deno
 - **Web Client:** React.js
 - **Styling:** Tailwind CSS
 - **Bundling:** Vite
@@ -56,7 +56,7 @@ This monorepo leverages the following technologies:
 
 ### Prerequisites
 
-You'll need to have [Bun](https://bun.sh/) installed to work with this monorepo.
+You'll need to have [pnpm](https://pnpm.io/) installed to work with this monorepo.
 Follow the installation instructions on their home page.
 
 ### Development Setup
@@ -68,7 +68,7 @@ Follow the installation instructions on their home page.
    ```
 2. **Install dependencies for all packages:**
    ```bash
-   bun install
+   pnpm install
    ```
    This command installs all necessary dependencies for all packages within the
    monorepo.