Bump Alfresco/alfresco-build-tools from 8.9.0 to 8.12.0

Bumps [Alfresco/alfresco-build-tools](https://github.com/alfresco/alfresco-build-tools) from 8.9.0 to 8.12.0.
- [Release notes](https://github.com/alfresco/alfresco-build-tools/releases)
- [Commits](Alfresco/alfresco-build-tools@1627263...ac971d3)

---
updated-dependencies:
- dependency-name: Alfresco/alfresco-build-tools
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build.yml

@@ -129,7 +129,7 @@ jobs:
         run: ls -R *.rpm
 
       - name: Deploy to nexus
-        uses: Alfresco/alfresco-build-tools/.github/actions/maven-deploy-file@16272633584df58ea603112c4aac4564c8673cd6
+        uses: Alfresco/alfresco-build-tools/.github/actions/maven-deploy-file@ac971d319df1ef3b69104c7b0510348191d78952
         if: startsWith(github.ref, 'refs/tags/v')
         with:
           group-id: org.imagemagick
@@ -257,7 +257,7 @@ jobs:
         run: ls -R *.deb
 
       - name: Deploy to nexus
-        uses: Alfresco/alfresco-build-tools/.github/actions/maven-deploy-file@16272633584df58ea603112c4aac4564c8673cd6
+        uses: Alfresco/alfresco-build-tools/.github/actions/maven-deploy-file@ac971d319df1ef3b69104c7b0510348191d78952
         if: startsWith(github.ref, 'refs/tags/v')
         with:
           group-id: org.imagemagick