Bump version to v3.1.0 (#923)

* Refs #21784. Bump version to 3.1.0

Signed-off-by: Miguel Company <miguelcompany@eprosima.com>

* Refs #21784. Update mirror workflow.

Signed-off-by: Miguel Company <miguelcompany@eprosima.com>

* Refs #21784. Update PR template.

Signed-off-by: Miguel Company <miguelcompany@eprosima.com>

* Refs #21784. Update nightly job.

Signed-off-by: Miguel Company <miguelcompany@eprosima.com>

---------

Signed-off-by: Miguel Company <miguelcompany@eprosima.com>

Author: MiguelCompany

.github/pull_request_template.md

@@ -19,7 +19,7 @@
     In case of bug fixes, please provide the list of supported branches where this fix should be also merged.
     Please uncomment following line, adjusting the corresponding target branches for the backport.
 -->
-<!-- @Mergifyio backport 2.14.x 2.10.x 2.6.x -->
+<!-- @Mergifyio backport 3.0.x 2.14.x 2.10.x 2.6.x -->
 
 <!-- If an issue is already opened, please uncomment next line with the corresponding issue number. -->
 <!-- Fixes #(issue) -->

.github/workflows/mirror.yml

@@ -13,7 +13,7 @@ jobs:
       fail-fast: false
       matrix:
         dest_branch:
-          - '3.0.x'
+          - '3.1.x'
           - '3.x'
     steps:
     - name: Mirror action step

.github/workflows/nightly-ubuntu-ci.yml

@@ -20,6 +20,20 @@ jobs:
       run-tests: true
       use-ccache: false
 
+  nightly-ubuntu-ci-3_0_x:
+    uses: eProsima/Fast-DDS-docs/.github/workflows/reusable-ubuntu-ci.yml@3.0.x
+    with:
+      # It would be desirable to have a matrix of ubuntu OS for this job, but due to the issue opened in this ticket:
+      # https://github.com/orgs/community/discussions/128118 , it has been set as a single OS job.
+      os-version: 'ubuntu-24.04'
+      label: 'nightly-ubuntu-ci-3.0.x'
+      fastdds-docs-branch: '3.0.x'
+      fastdds-branch: '3.0.x'
+      fastdds-python-branch: '2.0.x'
+      run-build: true
+      run-tests: true
+      use-ccache: false
+
   nightly-ubuntu-ci-2_14_x:
     uses: eProsima/Fast-DDS-docs/.github/workflows/reusable-ubuntu-ci.yml@2.14.x
     with:

docs/conf.py

@@ -401,9 +401,9 @@ def configure_doxyfile(
 # built documents.
 #
 # The short X.Y version.
-version = u'3.0.1'
+version = u'3.1.0'
 # The full version, including alpha/beta/rc tags.
-release = u'3.0.1'
+release = u'3.1.0'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.