Auto merge of #14133 - lnicola:changelog-version, r=lnicola

minor: Add version placeholder to changelog template

Closes #13967

This isn't great because we need to fill it in manually, but getting the version number from GitHub Actions is a bit annoying.

xtask/src/publish.rs

@@ -13,7 +13,7 @@ pub(crate) fn run(self, sh: &Shell) -> Result<()> {
         let tag_name = &file_name[0..10];
         let original_changelog_url = create_original_changelog_url(&file_name);
         let additional_paragraph =
-            format!("\nSee also [original changelog]({original_changelog_url}).");
+            format!("\nSee also the [changelog post]({original_changelog_url}).");
         markdown.push_str(&additional_paragraph);
         if self.dry_run {
             println!("{markdown}");

xtask/src/release/changelog.rs

@@ -69,7 +69,7 @@ pub(crate) fn get_changelog(
 :page-layout: post
 
 Commit: commit:{commit}[] +
-Release: release:{today}[]
+Release: release:{today}[] (`TBD`)
 
 == New Features