Update wireguard-go.yml

.github/workflows/wireguard-go.yml

@@ -29,7 +29,7 @@ jobs:
           LATEST=$(wget -qO- https://git.zx2c4.com/wireguard-go/ | grep '/wireguard-go/tag' | sed -n 1p | sed "s/.*>\([0-9.]\{1,\}\)<.*/\1/g")
           
           if [ "$LATEST" != "$NOW" ]; then
-            mkdir -p ${{ env.workdir }}
+            mkdir -p ${{ env.WORKDIR }}
             git clone https://git.zx2c4.com/wireguard-go ${{ env.workdir }}
             cp ${GITHUB_WORKSPACE}/.github/wireguard-go-releaser.yml ${{ env.WORKDIR }}/.goreleaser.yml
             echo "VERSION=$LATEST" >> $GITHUB_ENV