infra: Undo gh cache removal (#21210)

Co-authored-by: Nuno Campos <nuno@langchain.dev>

.github/workflows/_lint.yml

@@ -44,7 +44,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
           poetry-version: ${{ env.POETRY_VERSION }}
           working-directory: ${{ inputs.working-directory }}
-#          cache-key: lint-with-extras
+          cache-key: lint-with-extras
 
       - name: Check Poetry File
         shell: bash
@@ -79,14 +79,14 @@ jobs:
         run: |
           poetry run pip install -e "$LANGCHAIN_LOCATION"
 
-#      - name: Get .mypy_cache to speed up mypy
-#        uses: actions/cache@v4
-#        env:
-#          SEGMENT_DOWNLOAD_TIMEOUT_MIN: "2"
-#        with:
-#          path: |
-#            ${{ env.WORKDIR }}/.mypy_cache
-#          key: mypy-lint-${{ runner.os }}-${{ runner.arch }}-py${{ matrix.python-version }}-${{ inputs.working-directory }}-${{ hashFiles(format('{0}/poetry.lock', inputs.working-directory)) }}
+      - name: Get .mypy_cache to speed up mypy
+        uses: actions/cache@v4
+        env:
+          SEGMENT_DOWNLOAD_TIMEOUT_MIN: "2"
+        with:
+          path: |
+            ${{ env.WORKDIR }}/.mypy_cache
+          key: mypy-lint-${{ runner.os }}-${{ runner.arch }}-py${{ matrix.python-version }}-${{ inputs.working-directory }}-${{ hashFiles(format('{0}/poetry.lock', inputs.working-directory)) }}
 
 
       - name: Analysing the code with our lint
@@ -113,14 +113,14 @@ jobs:
         run: |
           poetry install --with test,test_integration
 
-#      - name: Get .mypy_cache_test to speed up mypy
-#        uses: actions/cache@v4
-#        env:
-#          SEGMENT_DOWNLOAD_TIMEOUT_MIN: "2"
-#        with:
-#          path: |
-#            ${{ env.WORKDIR }}/.mypy_cache_test
-#          key: mypy-test-${{ runner.os }}-${{ runner.arch }}-py${{ matrix.python-version }}-${{ inputs.working-directory }}-${{ hashFiles(format('{0}/poetry.lock', inputs.working-directory)) }}
+      - name: Get .mypy_cache_test to speed up mypy
+        uses: actions/cache@v4
+        env:
+          SEGMENT_DOWNLOAD_TIMEOUT_MIN: "2"
+        with:
+          path: |
+            ${{ env.WORKDIR }}/.mypy_cache_test
+          key: mypy-test-${{ runner.os }}-${{ runner.arch }}-py${{ matrix.python-version }}-${{ inputs.working-directory }}-${{ hashFiles(format('{0}/poetry.lock', inputs.working-directory)) }}
 
       - name: Analysing the code with our lint
         working-directory: ${{ inputs.working-directory }}