Prepare repository for Tenzir v4.0.0-rc4 (#3308)

This commit is was created with /scripts/prepare-release.

Here is a high-level summary of the changes:

* Updated `/version.json` to v4.0.0-rc4 and the expected rev-count of
the merge commit to 17247.
* Generated a new entry in the docs version selector list.
* Removed the docs for the previous release candidate.
* Moved all changelog entries from `/changelog/next` to
`/changelog/v4.0.0-rc4`.
* Moved all changelog entries from `/changelog/v4.0.0-rc3` to
`/changelog/v4.0.0-rc4`.
* Updated the python bindings version in `/python/pyproject.toml` to
v4.0.0-rc4.

This commit also includes fixes to the `prepare-release` script itself.

python/pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pyvast"
-version = "4.0.0-rc3"
+version = "4.0.0-rc4"
 description = "A security telemetry engine for detection and response"
 authors = ["Tenzir <engineering@tenzir.com>"]
 maintainers = ["Tenzir <engineering@tenzir.com>"]

scripts/prepare-release

@@ -62,7 +62,7 @@ version_json="$(jq --arg v "${new_version#v}" --arg cnt "${rev_count}" \
   '."tenzir-version-fallback" = $v | ."tenzir-version-rev-count" = ($cnt|tonumber)' version.json)"
 echo -E "${version_json}" > version.json
 things_done+="
-* Updated `/version.json` to ${new_version} and the expected rev-count of the
+* Updated \`/version.json\` to ${new_version} and the expected rev-count of the
   merge commit to ${rev_count}."
 
 # If the new version is not a release candidate, change mentions of the version
@@ -84,9 +84,11 @@ if [[ true ]]; then
   new_version_name="Tenzir ${new_version_major_minor}"
   jq "map(select(. | startswith(\"${new_version_name%-*}\") | not))" < versions.json > versions.json.tmp
   mv -f versions.json.tmp versions.json
-  things_done+="\n* Generated a new entry in the docs version selector list."
+  things_done+="
+* Generated a new entry in the docs version selector list."
   if [ -d "versioned_docs/version-${new_version_name%-*}"* ]; then
-    things_done+="\n* Removed the docs for the previous release candidate."
+    things_done+="
+* Removed the docs for the previous release candidate."
   else
   fi
   # The `|| true`s in the next two lines work around a `zsh` behavior where
@@ -109,7 +111,8 @@ if [ -d "${source_dir}/changelog/next" ]; then
   rsync -avzh "${source_dir}/changelog/next/" \
     "${source_dir}/changelog/${new_version}"
   rm -r "${source_dir}/changelog/next"
-  things_done+="\n* Moved all changelog entries from `/changelog/next` to `/changelog/${new_version}`."
+  things_done+="
+* Moved all changelog entries from \`/changelog/next\` to \`/changelog/${new_version}\`."
 fi
 
 # If the previous release was an rc as well, merge the changelog directories.
@@ -119,15 +122,16 @@ if [[ "${last_rc_version}" == *"-rc"* ]]; then
       "${source_dir}/changelog/${new_version}"
     rm -r "${source_dir}/changelog/${last_rc_version}"
   fi
-  things_done+="\n* Moved all changelog entries from `/changelog/${last_rc_version}` to `/changelog/${new_version}`."
+  things_done+="
+* Moved all changelog entries from \`/changelog/${last_rc_version}\` to \`/changelog/${new_version}\`."
 fi
 
 # Update version of Python bindings.
 pushd "${source_dir}/python"
 poetry version "${new_version#v}"
 popd
 things_done+="
-* Updated the python bindings version in `/python/pyproject.toml` to ${new_version}."
+* Updated the python bindings version in \`/python/pyproject.toml\` to ${new_version}."
 
 # Commit and open a PR against tenzir/tenzir.
 pushd "${source_dir}"

version.json

@@ -4,14 +4,14 @@
     "annotated git tag without the leading 'v'.",
     "This value gets updated automatically by `scripts/prepare-release`."
   ],
-  "tenzir-version-fallback": "4.0.0-rc3",
+  "tenzir-version-fallback": "4.0.0-rc4",
   "tenzir-version-rev-count_COMMENT": [
     "This value stores the ancestor count of the tagged commit, calculated",
     "with `git rev-list --count HEAD`, then incremented by 1. This operates",
     "under the assumption that the release-preparing PR contains exactly one",
     "commit and is rebased before merging."
   ],
-  "tenzir-version-rev-count": 17208,
+  "tenzir-version-rev-count": 17284,
   "tenzir-partition-version_COMMENT": [
     "The partition version. This number must be bumped alongside the release",
     "version for releases that contain major format changes to the on-disk",