update zen browser to 1.19.2b

.gitea/scripts/update-appimage-nix.sh

@@ -17,7 +17,6 @@ fi
 
 version_strip_prefix="${LATEST_VERSION_STRIP_PREFIX:-v}"
 release_tag_template="${RELEASE_TAG_TEMPLATE:-{version}}"
-release_tag_template="${release_tag_template//$'\r'/}"
 
 current_version=$($PYTHON_BIN - <<'PY'
 import re
@@ -65,11 +64,6 @@ echo "version=$latest_version" >> "$GITHUB_OUTPUT"
 echo "previous_version=$current_version" >> "$GITHUB_OUTPUT"
 
 release_tag="${release_tag_template//\{version\}/$latest_version}"
-release_tag="${release_tag#\{}"
-release_tag="${release_tag%\}}"
-release_tag="${release_tag#\'}"
-release_tag="${release_tag%\'}"
-
 api_url="https://api.github.com/repos/${RELEASE_API_REPO}/releases/tags/${release_tag}"
 
 curl_headers=(