ci: Automatically upload releases from CI

.github/workflows/main.yaml

@@ -49,8 +49,11 @@ jobs:
           make generate
       - name: Run 'make all'
         run: make all
-      - name: Upload executables
-        uses: actions/upload-artifact@v2
+      - name: Upload Releases
+        uses: softprops/action-gh-release@v1
+        if: startsWith(github.ref, 'refs/tags/')
         with:
-          name: Binaries
-          path: dist/*
+          files: |
+            dist/ggman
+            dist/ggman_mac
+            dist/ggman.exe

README.md

@@ -423,6 +423,7 @@ ggman comes with the following builtin aliases:
 - add `ggman env` command to print information about ggman
 - use native git when available in `ggman fetch`, `ggman pull`
 - make built-in git `fetch`, `pull` and `clone` progress on standard error
+- automatically upload releases from GitHub actions
 - minor fixes
 
 ### 1.14.0 (Released [Mar 27 2022](https://github.com/tkw1536/ggman/releases/tag/v1.14.0))