Add LICENSE to zipped Go binaries

.github/workflows/build.yml

@@ -121,6 +121,7 @@ jobs:
           arch: ${{ matrix.goarch }}
           reproducible: report
           instructions: |-
+            cp LICENSE.txt "$TARGET_DIR/"
             go build -o "$BIN_PATH" -ldflags="$LD_FLAGS" -trimpath -buildvcs=false    
 
   build-linux:
@@ -158,6 +159,7 @@ jobs:
           arch: ${{ matrix.goarch }}
           reproducible: report
           instructions: |-
+            cp LICENSE.txt "$TARGET_DIR/"
             go build -o "$BIN_PATH" -ldflags="$LD_FLAGS" -trimpath -buildvcs=false
 
       - name: Linux Packaging
@@ -220,6 +222,7 @@ jobs:
           arch: ${{ matrix.goarch }}
           reproducible: report
           instructions: |-
+            cp LICENSE.txt "$TARGET_DIR/"
             go build -o "$BIN_PATH" -ldflags="$LD_FLAGS" -tags netcgo -trimpath -buildvcs=false
 
   build-docker-light: