Configure github CI to use the node version set in .nvmrc, removes additional hardcoded nodejs version config, and makes it easier to upgrade nodejs in the future and to keep tests on dev machines and github CI running with same dependencies

Author: bitmold

.github/actions/setup-env/action.yml

@@ -18,7 +18,7 @@ runs:
   steps:
     - uses: actions/setup-node@master
       with:
-        node-version: 20.20.0
+        node-version: "../../.nvmrc"
 
     - name: Set up Python 3.12
       uses: actions/setup-python@v5

.github/workflows/e2e-android.yml

@@ -15,7 +15,7 @@ jobs:
 
       - uses: actions/setup-node@master
         with:
-          node-version: 20.20.0
+          node-version: "../../.nvmrc"
 
       - name: Install dependencies
         run: |

.github/workflows/e2e-ios.yml

@@ -15,7 +15,7 @@ jobs:
 
       - uses: actions/setup-node@master
         with:
-          node-version: 20.20.0
+          node-version: "../../.nvmrc"
 
       - name: Install dependencies
         run: |

packages/desktop/README.md

@@ -5,7 +5,7 @@ Here are the steps:
 
 1. Install `patch` via your Linux package manager (you can skip this step on Mac because it is already installed)
 
-2. Use `Node 20.20.0` and `npm 10.8.2`. We recommend [nvm](https://github.com/nvm-sh/nvm) or [volta](https://volta.sh/) for easily switching Node versions, and if this README gets out of date you can see the actual version used by CI [here](https://github.com/TryQuiet/quiet/blob/master/.github/actions/setup-env/action.yml). If you are using nvm, you can run `nvm use` in the project's root to switch to the correct version.
+2. Use `Node 20.20.0` and `npm 10.8.2`. We recommend [nvm](https://github.com/nvm-sh/nvm) or [volta](https://volta.sh/) for easily switching Node versions, and if this README gets out of date you can see the actual version used by CI [here](https://github.com/TryQuiet/quiet/blob/master/.nvmrc). If you are using nvm, you can run `nvm use` in the project's root to switch to the correct version.
 
 3. Install python3 and setuptools through your preferred method. (used by node-gyp)