Bump conda versions (#2466)

The PR updates `conda-build` version to `25.0.0` and `conda-index`
vrsion to `0.6.1`.
Also the conda packages are now supporting python 3.13, so removing all
w/a or limitation due to that in affected GH actions.

Author: antonwolfy

.github/workflows/conda-package.yml

@@ -191,10 +191,6 @@ jobs:
           echo PACKAGE_VERSION=${PACKAGE_VERSION}
           echo "PACKAGE_VERSION=$PACKAGE_VERSION" >> $GITHUB_ENV
 
-      # conda-index does not support python 3.13, but we need to test DPNP package with python 3.13
-      - name: Remove conda-index
-        run: mamba remove conda-index
-
       - name: Install dpnp
         id: install_dpnp
         continue-on-error: true
@@ -324,10 +320,6 @@ jobs:
           (echo CONDA_LIB_PATH=%CONDA_PREFIX%\Library\lib\) >> %GITHUB_ENV%
           (echo CONDA_LIB_BIN_PATH=%CONDA_PREFIX%\Library\bin\) >> %GITHUB_ENV%
 
-      - name: Install conda-index
-        run: |
-          mamba install conda-index=${{ env.CONDA_INDEX_VERSION }}
-
       - name: Create conda channel
         run: |
           @echo on
@@ -351,10 +343,6 @@ jobs:
           echo PACKAGE_VERSION: %PACKAGE_VERSION%
           (echo PACKAGE_VERSION=%PACKAGE_VERSION%) >> %GITHUB_ENV%
 
-      # conda-index does not support python 3.13, but we need to test DPNP package with python 3.13
-      - name: Remove conda-index
-        run: mamba remove conda-index
-
       - name: Install dpnp
         run: |
           @echo on

environments/build_conda_pkg.yml

@@ -2,5 +2,5 @@ name: Build DPNP conda package
 channels:
   - conda-forge
 dependencies:
-  - python=3.12 # conda-build does not support python 3.13
-  - conda-build=25.4.2
+  - python=3.13
+  - conda-build=25.5.0

environments/create_conda_channel.yml

@@ -2,5 +2,5 @@ name: Create conda channel with DPNP package
 channels:
   - conda-forge
 dependencies:
-  - python=3.12 # conda does not support python 3.13
-  - conda-index=0.6.0
+  - python=3.12 # DPNP does not support python 3.13
+  - conda-index=0.6.1