- add new ability to transform tags (tag name) prior to sorting, allowing to transform tags into semver format can be achieved

- tags will keep the original name post sorting
  - FIX https://github.com/mikepenz/release-changelog-builder-action/issues/571

src/configuration.ts

@@ -38,7 +38,8 @@ export interface Extractor extends Transformer {
 
 export interface TagResolver {
   method: string // semver, sort
-  filter?: Regex // the regex to filter the tags
+  filter?: Regex // the regex to filter the tags, prior to sorting
+  transformer?: Transformer // transforms the tag name using the regex, run after the filter
 }
 
 export const DefaultConfiguration: Configuration = {
@@ -71,7 +72,8 @@ export const DefaultConfiguration: Configuration = {
   tag_resolver: {
     // defines the logic on how to resolve the previous tag, only relevant if `fromTag` is not specified
     method: 'semver', // defines which method to use, by default it will use `semver` (dropping all non matching tags). Alternative `sort` is also available.
-    filter: undefined // filter out all tags not matching the regex
+    filter: undefined, // filter out all tags not matching the regex
+    transformer: undefined // transforms the tag name using the regex, run after the filter
   },
   base_branches: [] // target branches for the merged PR ignoring PRs with different target branch, by default it will get all PRs
 }