ci: testing minimal requirements & required bumps (#2295)

Author: Borda

.github/workflows/ci-testing.yml

@@ -31,6 +31,9 @@ jobs:
         requires: ["latest", "nightly"] # , 'oldest'
         suite: ["core", "ops", "grads"]
         include:
+          - { os: "ubuntu-22.04", python-version: "3.10", requires: "oldest", suite: "core" }
+          - { os: "ubuntu-22.04", python-version: "3.10", requires: "oldest", suite: "ops" }
+          - { os: "ubuntu-22.04", python-version: "3.10", requires: "oldest", suite: "grads" }
           - { os: "ubuntu-24.04", python-version: "3.11", requires: "latest" }
           - { os: "ubuntu-24.04", python-version: "3.12", requires: "latest" }
           - { os: "ubuntu-24.04", python-version: "3.13", requires: "latest" }
@@ -64,14 +67,13 @@ jobs:
               open(fpath, 'w').write(req)
         shell: python
 
-      - name: switch Torch source
+      - name: set default Torch source
+        run: echo "TORCH_URL=$TORCH_URL_STABLE" >> $GITHUB_ENV
+      - name: switch Torch source to nightly
+        if: matrix.requires == 'nightly'
         run: |
-          if [[ "${{ matrix.requires }}" == "nightly" ]]; then
-            echo "TORCH_URL=$TORCH_URL_NIGHTLY" >> $GITHUB_ENV
-            echo "PIP_EXTRA_FLAG=--pre" >> $GITHUB_ENV
-          else
-            echo "TORCH_URL=$TORCH_URL_STABLE" >> $GITHUB_ENV
-          fi
+          echo "TORCH_URL=$TORCH_URL_NIGHTLY" >> $GITHUB_ENV
+          echo "PIP_EXTRA_FLAG=--pre" >> $GITHUB_ENV
 
       - name: Install Mac specific dependencies
         if: runner.os == 'macOS'

requirements/base.txt

@@ -1,10 +1,10 @@
-torch >=2.3.0
+torch >=2.6.0
 looseversion ==1.3.0
-lightning-utilities >=0.7.0
+lightning-utilities >0.7.0
 numpy
-networkx >= 3.3
+networkx >=3.3
 optree >=0.12.1
-opt_einsum >= 3.3.0
+opt_einsum >=3.3.0
 # todo: teporarl pin for `NameError: name '_C' is not defined`
 mpmath <1.4.0
 # Support for 3.12