fix: match tag to tagFormat from the begining of the string

lib/get-last-release.js

@@ -28,7 +28,8 @@ module.exports = async (tagFormat, logger) => {
   // by replacing the `version` variable in the template by `(.+)`.
   // The `tagFormat` is compiled with space as the `version` as it's an invalid tag character,
   // so it's guaranteed to no be present in the `tagFormat`.
-  const tagRegexp = escapeRegExp(template(tagFormat)({version: ' '})).replace(' ', '(.+)');
+  const tagRegexp = `^${escapeRegExp(template(tagFormat)({version: ' '})).replace(' ', '(.+)')}`;
+
   const tags = (await gitTags())
     .map(tag => ({gitTag: tag, version: (tag.match(tagRegexp) || new Array(2))[1]}))
     .filter(