[misc] Change to "nightly" builds

.github/workflows/build.yml

@@ -70,7 +70,7 @@ jobs:
         tag_name: ${{ steps.bump_version.outputs.ytdl_version }}
         release_name: youtube-dl ${{ steps.bump_version.outputs.ytdl_version }}
         commitish: ${{ steps.push_release.outputs.head_sha }}
-        body: This is a daily build of youtube-dl.
+        body: This is a nightly build of youtube-dl.
         draft: false
         prerelease: false
     - name: Upload youtube-dl Unix binary

README.md

@@ -1,7 +1,7 @@
 [![Build Status](https://github.com/ytdl-org/youtube-dl/workflows/CI/badge.svg)](https://github.com/ytdl-org/youtube-dl/actions?query=workflow%3ACI)
 
 
-**This repository is for unofficial daily builds.**
+**This repository is for unofficial nightly builds.**
 **Please do not open any issues nor pull requests.**
 
 youtube-dl - download videos from youtube.com or other video platforms