[action] Bump setup-go ver; omit dirs in zip

.github/workflows/build.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
     - name: Set up Go ${{ matrix.go }}
-      uses: actions/setup-go@v2-beta
+      uses: actions/setup-go@v2
       with:
         go-version: ${{ matrix.go }}
 
@@ -35,7 +35,7 @@ jobs:
 
     steps:
     - name: Set up Go 1.13
-      uses: actions/setup-go@v2-beta
+      uses: actions/setup-go@v2
       with:
         go-version: 1.13
 

.github/workflows/release.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Set up Go 1.13
-      uses: actions/setup-go@v2-beta
+      uses: actions/setup-go@v2
       with:
         go-version: 1.13
 

Makefile

@@ -78,7 +78,7 @@ $(BINDIR)/$(VERSION)/$(MIXIN)-$(CLIENT_PLATFORM)-$(CLIENT_ARCH)$(FILE_EXT):
 	GOOS=$(CLIENT_PLATFORM) GOARCH=$(CLIENT_ARCH) $(XBUILD) -o $@ ./cmd/$(MIXIN)
 
 ifeq ($(CLIENT_PLATFORM),windows)
-	zip $(BINDIR)/$(VERSION)/$(MIXIN)-$(CLIENT_PLATFORM)-$(CLIENT_ARCH).zip $(BINDIR)/$(VERSION)/$(MIXIN)-$(CLIENT_PLATFORM)-$(CLIENT_ARCH)$(FILE_EXT)
+	zip -j $(BINDIR)/$(VERSION)/$(MIXIN)-$(CLIENT_PLATFORM)-$(CLIENT_ARCH).zip $(BINDIR)/$(VERSION)/$(MIXIN)-$(CLIENT_PLATFORM)-$(CLIENT_ARCH)$(FILE_EXT)
 else
 	tar -czvf $(BINDIR)/$(VERSION)/$(MIXIN)-$(CLIENT_PLATFORM)-$(CLIENT_ARCH).tar.gz -C $(BINDIR)/$(VERSION)/ $(MIXIN)-$(CLIENT_PLATFORM)-$(CLIENT_ARCH)$(FILE_EXT)
 endif