Update Poetry version (#4767)

Bump `poetry` to version `2.1.1` on CI.

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Co-authored-by: automergerpr-permission-manager[bot] <190534181+automergerpr-permission-manager[bot]@users.noreply.github.com>

Author: tothtamas28

.github/actions/setup-pyk-env/action.yml

@@ -16,7 +16,7 @@ runs:
     - name: 'Install Poetry'
       uses: Gr1N/setup-poetry@v9
       with:
-        poetry-version: '1.8.5'
+        poetry-version: '2.1.1'
     - name: 'Install package'
       shell: bash
       run: poetry -C pyk install

.github/actions/with-k-docker/Dockerfile

@@ -38,7 +38,7 @@ USER user
 WORKDIR /home/user
 
 ENV PATH=/home/user/.local/bin:${PATH}
-RUN    curl -sSL https://install.python-poetry.org | python3 - --version 1.8.5 \
+RUN    curl -sSL https://install.python-poetry.org | python3 - --version 2.1.1 \
     && poetry --version
 
 ENV PATH=/home/user/.elan/bin:${PATH}

.github/workflows/release.yml

@@ -492,7 +492,7 @@ jobs:
       - name: Install Poetry
         uses: Gr1N/setup-poetry@v9
         with:
-          poetry-version: '1.8.5'
+          poetry-version: '2.1.1'
 
       - name: Build pyk
         working-directory: pyk