Use releaser v2 tag (#1010)

Author: blink1073

.github/workflows/check-release.yml

@@ -17,6 +17,6 @@ jobs:
         run: |
           pip install -e .
       - name: Check Release
-        uses: jupyter-server/jupyter_releaser/.github/actions/check-release@version2
+        uses: jupyter-server/jupyter_releaser/.github/actions/check-release@v2
         with:
           token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/prep-release.yml

@@ -28,11 +28,11 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Setup
-        uses: jupyter-server/jupyter-releaser/.github/actions/common@version2
+        uses: jupyter-server/jupyter-releaser/.github/actions/common@v2
 
       - name: Prep Release
         id: prep-release
-        uses: jupyter-server/jupyter-releaser/.github/actions/prep-release@version2
+        uses: jupyter-server/jupyter-releaser/.github/actions/prep-release@v2
         with:
           token: ${{ secrets.ADMIN_GITHUB_TOKEN }}
           version_spec: ${{ github.event.inputs.version_spec }}

.github/workflows/publish-release.yml

@@ -24,11 +24,11 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Setup
-        uses: jupyter-server/jupyter-releaser/.github/actions/common@version2
+        uses: jupyter-server/jupyter-releaser/.github/actions/common@v2
 
       - name: Populate Release
         id: populate-release
-        uses: jupyter-server/jupyter-releaser/.github/actions/populate-release@version2
+        uses: jupyter-server/jupyter-releaser/.github/actions/populate-release@v2
         with:
           token: ${{ secrets.ADMIN_GITHUB_TOKEN }}
           target: ${{ github.repository }}
@@ -41,7 +41,7 @@ jobs:
         env:
           PYPI_TOKEN: ${{ secrets.PYPI_TOKEN }}
           TWINE_USERNAME: __token__
-        uses: jupyter-server/jupyter-releaser/.github/actions/finalize-release@version2
+        uses: jupyter-server/jupyter-releaser/.github/actions/finalize-release@v2
         with:
           token: ${{ secrets.ADMIN_GITHUB_TOKEN }}
           target: ${{ github.repository }}