Apply suggestions from code review

Co-authored-by: Florian Albrechtskirchinger <falbrechtskirchinger@gmail.com>

.github/workflows/labeler.yml

@@ -13,6 +13,6 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: falbrechtskirchinger/labeler@master
+      - uses: srvaroa/labeler@master
         env:
           GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

docs/mkdocs/docs/integration/migration_guide.md

@@ -4,8 +4,8 @@ This page collects some guidelines on how to future-proof your code for future v
 
 ## Replace deprecated functions
 
-The following functions have been deprecated in earlier versions and will be removed in the next major version (i.e., 
-4.0.0). All deprecations are annotated with
+The following functions have been deprecated and will be removed in the next major version (i.e., 4.0.0). All
+deprecations are annotated with
 [`HEDLEY_DEPRECATED_FOR`](https://nemequ.github.io/hedley/api-reference.html#HEDLEY_DEPRECATED_FOR) to report which
 function to use instead.