fix(github): disable pessimal cache temporarily

Github actions cache should be better after 2020-04-01.  At that
time, revert this commit and test again.

Author: michaelfig

.github/workflows/test-all-packages.yml

@@ -13,24 +13,30 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v1
-    - name: cache node modules
-      uses: actions/cache@v1
-      with:
-        path: ~/.cache/yarn
-        key: ${{ runner.os }}-yarn-${{ hashFiles('yarn.lock') }}
-        restore-keys: |
-          ${{ runner.os }}-yarn-
+
+    # FIXME: Reenable after 2020-04-01 when Github cache doesn't take forever.
+    #- name: cache node modules
+    #  uses: actions/cache@v1
+    #  with:
+    #    path: ~/.cache/yarn
+    #    key: ${{ runner.os }}-yarn-${{ hashFiles('yarn.lock') }}
+    #    restore-keys: |
+    #      ${{ runner.os }}-yarn-
+
     - name: Set up Go 1.13
       uses: actions/setup-go@v1
       with:
         go-version: 1.13
-    - name: cache Go modules
-      uses: actions/cache@v1
-      with:
-        path: ~/go/pkg/mod
-        key: ${{ runner.os }}-go-${{ hashFiles('packages/cosmic-swingset/go.sum') }}
-        restore-keys: |
-          ${{ runner.os }}-go-
+
+    # FIXME: Reenable after 2020-04-01 when Github cache doesn't take forever.
+    #- name: cache Go modules
+    #  uses: actions/cache@v1
+    #  with:
+    #    path: ~/go/pkg/mod
+    #    key: ${{ runner.os }}-go-${{ hashFiles('packages/cosmic-swingset/go.sum') }}
+    #    restore-keys: |
+    #      ${{ runner.os }}-go-
+
     # 'yarn install' must be done at the top level, to build all the
     # cross-package symlinks
     - name: yarn install