ci: add step for installing bash 5.3

Signed-off-by: Arthur Zamarin <arthurzam@gentoo.org>

Author: arthurzam

.github/workflows/doc.yml

@@ -21,6 +21,9 @@ jobs:
     - name: Checkout code
       uses: actions/checkout@v4
 
+    - name: Install bash 5.3
+      uses: pkgcore/gh-actions/bash-5.3@main
+
     - name: Set up Python 3.13
       uses: actions/setup-python@v5
       with:

.github/workflows/test.yml

@@ -110,6 +110,9 @@ jobs:
     - name: Checkout code
       uses: actions/checkout@v4
 
+    - name: Install bash 5.3
+      uses: pkgcore/gh-actions/bash-5.3@main
+
     - name: Set up Python 3
       uses: actions/setup-python@v5
       with: