Upgrade actions/cache from v2 to v4.2.0 in nightly build workflow

.github/workflows/nightly_build.yml

@@ -17,15 +17,15 @@ jobs:
       id: yarn-cache-dir-path
       run: echo "::set-output name=dir::$(yarn cache dir)"
 
-    - uses: actions/cache@v2
+    - uses: actions/cache@v4.2.0
       id: yarn-cache
       with:
         path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
         key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
         restore-keys: |
           ${{ runner.os }}-yarn-
 
-    - uses: actions/cache@v2
+    - uses: actions/cache@v4.2.0
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
@@ -62,15 +62,15 @@ jobs:
       id: yarn-cache-dir-path
       run: echo "::set-output name=dir::$(yarn cache dir)"
 
-    - uses: actions/cache@v2
+    - uses: actions/cache@v4.2.0
       id: yarn-cache
       with:
         path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
         key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
         restore-keys: |
           ${{ runner.os }}-yarn-
 
-    - uses: actions/cache@v2
+    - uses: actions/cache@v4.2.0
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
@@ -105,15 +105,15 @@ jobs:
       id: yarn-cache-dir-path
       run: echo "::set-output name=dir::$(yarn cache dir)"
 
-    - uses: actions/cache@v2
+    - uses: actions/cache@v4.2.0
       id: yarn-cache
       with:
         path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
         key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
         restore-keys: |
           ${{ runner.os }}-yarn-
 
-    - uses: actions/cache@v2
+    - uses: actions/cache@v4.2.0
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}