Merge f92b82fcc8 into 9c550dd5a1

Bumps [tj-actions/changed-files](https://github.com/tj-actions/changed-files) from 45.0.4 to 45.0.5.
- [Release notes](https://github.com/tj-actions/changed-files/releases)
- [Changelog](https://github.com/tj-actions/changed-files/blob/main/HISTORY.md)
- [Commits](https://github.com/tj-actions/changed-files/compare/v45.0.4...v45.0.5)

---
updated-dependencies:
- dependency-name: tj-actions/changed-files
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/check-urls.yml

@@ -42,7 +42,7 @@ jobs:
           fetch-depth: ${{ steps.set-params.outputs.fetch-depth }}
       - name: Get changed files
         id: changed-files
-        uses: tj-actions/changed-files@v45.0.4
+        uses: tj-actions/changed-files@v45.0.5
         with:
           separator: " "
           json: true

books/free-programming-books-langs.md

@@ -247,7 +247,7 @@ Books on general-purpose programming that don't focus on a specific language are
 * [Ada Reference Manual - ISO/IEC 8652:2012(E) Language and Standard Libraries](http://www.ada-auth.org/standards/12rm/RM-Final.pdf) (PDF)
 * [Introduction To Ada](https://learn.adacore.com/courses/intro-to-ada/index.html)
 * [Introduction To SPARK](https://learn.adacore.com/courses/SPARK_for_the_MISRA_C_Developer/index.html)
-* [The Big Online Book of Linux Ada Programming](http://www.pegasoft.ca/resources/boblap/book.html)
+* [The Big Online Book of Linux Ada Programming](http://www.pegasoft.ca/resources/boblap/book.html) (LGPL)
 
 
 ### Agda
@@ -372,7 +372,7 @@ Books on general-purpose programming that don't focus on a specific language are
 
 ### Autotools
 
-* [Autotools Mythbuster](https://autotools.io/index.html)
+* [Autotools Mythbuster](https://autotools.io/index.html)- Diego Elio “Flameeyes” Pettenò (CC BY-NC-SA)
 * [GNU Autoconf, Automake and Libtool](http://sourceware.org/autobook/)