Refert only to major versions of ci workflow helpers

Change-Id: I75044009cbb82a788d8038825235622f8c890c8d
diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index 59b42cb..85bc282 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -14,13 +14,13 @@
         r-version: [release]
         os: [windows-latest, macOS-latest, ubuntu-latest]
     steps:
-    - uses: actions/checkout@v3.0.2
+    - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v4.2.0
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
     - name: Cache pip
-      uses: actions/cache@v3.0.8
+      uses: actions/cache@v3
       with:
         # This path is specific to Ubuntu
         path: ~/.cache/pip
@@ -30,7 +30,7 @@
           ${{ runner.os }}-pip-
           ${{ runner.os }}-
     - name: Set up R ${{ matrix.r-version }}
-      uses: r-lib/actions/setup-r@master
+      uses: r-lib/actions/setup-r@v2
       with:
         r-version: ${{ matrix.r-version }}
       if: runner.os != 'Linux'
@@ -44,13 +44,13 @@
     - name: Install R dependencies
       run: Rscript -e "install.packages('RKorAPClient')"
     - name: Cache R packages on Linux
-      uses: actions/cache@v3.0.8
+      uses: actions/cache@v3
       with:
         path: /usr/local/lib/R/site-library
         key: ${{ runner.os }}-r-${{ matrix.config.r-version }}-${{ hashFiles('DESCRIPTION') }}
       if: runner.os == 'Linux'
     - name: Cache R packages
-      uses: actions/cache@v3.0.8
+      uses: actions/cache@v3
       with:
         path: ${{ env.R_LIBS_USER }}
         key: ${{ runner.os }}-r-${{ matrix.config.r-version }}-${{ hashFiles('DESCRIPTION') }}
@@ -92,7 +92,7 @@
         TARGET_FOLDER: doc
     - name: Upload check results
       if: failure()
-      uses: actions/upload-artifact@master
+      uses: actions/upload-artifact@v3
       with:
         name: pytest-results-${{ matrix.python-version }}
         path: junit/test-results-${{ matrix.python-version }}.xml