sweep: DIRACGrid#7869 fix: from mambaforge to miniforge

.github/workflows/basic.yml

@@ -77,7 +77,7 @@ jobs:
     - uses: actions/checkout@v4
     - name: Fail-fast for outdated pipelines
       run: .github/workflows/fail-fast.sh
-    - uses: mamba-org/setup-micromamba@v2
+    - uses: conda-incubator/setup-miniconda@v3
       with:
         environment-file: environment.yml
 

.github/workflows/deployment.yml

@@ -132,10 +132,8 @@ jobs:
     if: github.event_name == 'workflow_dispatch'
     needs: deploy-pypi
     steps:
-      - uses: mamba-org/setup-micromamba@v2
+      - uses: conda-incubator/setup-miniconda@v3
         with:
-
-          mamba-version: "*"
           channels: conda-forge,defaults
           channel-priority: true
       - name: Deploy on CVMFS

.readthedocs.yaml

@@ -1,8 +1,8 @@
 version: 2
 build:
-  os: ubuntu-20.04
+  os: ubuntu-24.04
   tools:
-    python: mambaforge-4.10
+    python: mambaforge-latest
 sphinx:
   configuration: docs/source/conf.py
   fail_on_warning: true