Update poetry to 1.1 (#313)

Update poetry 1.1 including 1.1.7's lockfile fix and install-poetry.py.

See also:
- https://python-poetry.org/blog/announcing-poetry-1.1.0/
- https://github.com/python-poetry/poetry/releases/tag/1.1.7
- vcs-python/libvcs#279

Author: tony

.github/workflows/publish-docs.yml

@@ -49,10 +49,13 @@ jobs:
 
       - name: Install poetry
         run: |
-          curl -O -sSL https://raw.githubusercontent.com/sdispater/poetry/master/get-poetry.py
-          python get-poetry.py -y --version 1.0.10
+          curl -O -sSL https://raw.githubusercontent.com/sdispater/poetry/master/install-poetry.py
+          python install-poetry.py -y --version 1.1.7
           echo "PATH=${HOME}/.poetry/bin:${PATH}" >> $GITHUB_ENV
-          rm get-poetry.py
+          rm install-poetry.py
+
+      - name: Add ~/.local/bin to PATH
+        run: echo "$HOME/.local/bin" >> $GITHUB_PATH
 
       - name: Get poetry cache paths from config
         run: |

.github/workflows/tests.yml

@@ -28,10 +28,13 @@ jobs:
 
       - name: Install poetry
         run: |
-          curl -O -sSL https://raw.githubusercontent.com/sdispater/poetry/master/get-poetry.py
-          python get-poetry.py -y --version 1.0.10
+          curl -O -sSL https://raw.githubusercontent.com/sdispater/poetry/master/install-poetry.py
+          python install-poetry.py -y --version 1.1.7
           echo "PATH=${HOME}/.poetry/bin:${PATH}" >> $GITHUB_ENV
-          rm get-poetry.py
+          rm install-poetry.py
+
+      - name: Add ~/.local/bin to PATH
+        run: echo "$HOME/.local/bin" >> $GITHUB_PATH
 
       - name: Get poetry cache paths from config
         run: |

.tool-versions

@@ -0,0 +1 @@
+poetry 1.1.7

CHANGES

@@ -3,6 +3,9 @@
 ## current
 
 - _Add your latest changes from PRs here_
+- #313: Update poetry to 1.1
+  - CI: Use poetry 1.1.7 and `install-poetry.py` installer
+  - Relock poetry.lock at 1.1 (w/ 1.1.7's fix)
 
 ## vcspull 1.8.0 (2021-06-16)