update release instruction in README

Author: igro-marczak

README.md

@@ -211,13 +211,17 @@ When a new version of allms is ready to be released, do the following operations
     2. `git push origin <NEW-VERSION>`
 
 3. **Publish package to PyPI**:
-    1. Go to _Actions_ → _Manual Publish To PyPI_;
-    2. Select "master" as branch and click _Run workflow_;
+    1. Go to _Actions_ → _Release_;
+    2. Select _tags_ → `<NEW_VERSION>` and click _Run workflow_;
     3. If successful, you will find the package under # TODO: open-source.
 
 4. **Make a GitHub release**:
-    1. Go to _Releases_ → _Draft a new release_;
-    2. Select the recently created tag in _Choose a tag_ window;
-    3. Copy/paste all the content present in the CHANGELOG under the version you are about to release;
-    4. Upload `allms-<NEW-VERSION>.whl` and `allms-<NEW-VERSION>.tar.gz` as assets;
-    5. Click `Publish release`.
+   1. Build package locally with command:
+      ```bash
+      make build-package
+      ```
+      This will create two files in the `dist` directory: `allms-<NEW-VERSION>.whl` and `allms-<NEW-VERSION>.tar.gz`;
+   2. Go to _Releases_ → _Draft a new release_;
+   3. Select the recently created tag in _Choose a tag_ window;
+   4. Upload `allms-<NEW-VERSION>.whl` and `allms-<NEW-VERSION>.tar.gz` as assets;
+   5. Click `Publish release`.