Reverting cache (#21378)

.github/actions/prepare-backend/action.yml

@@ -25,7 +25,7 @@ runs:
         curl -O https://download.clojure.org/install/linux-install-${{ inputs.clojure-version }}.sh &&
         sudo bash ./linux-install-${{ inputs.clojure-version }}.sh
     - name: Get M2 cache
-      uses: actions/cache@v3
+      uses: actions/cache@v2
       with:
         path: |
           ~/.m2

.github/actions/prepare-cypress/action.yml

@@ -3,7 +3,7 @@ runs:
   using: "composite"
   steps:
     - name: Get Cypress cache
-      uses: actions/cache@v3
+      uses: actions/cache@v2
       with:
         path: ~/.cache/Cypress
         key: ${{ runner.os }}-Cypress-${{ hashFiles('**/yarn.lock') }}

.github/actions/prepare-frontend/action.yml

@@ -8,12 +8,12 @@ runs:
         node-version: 14.x
         cache: 'yarn'
     - name: Get M2 cache
-      uses: actions/cache@v3
+      uses: actions/cache@v2
       with:
         path: ~/.m2
         key: ${{ runner.os }}-cljs-${{ hashFiles('**/shadow-cljs.edn') }}
     - name: Get node_modules cache
-      uses: actions/cache@v3
+      uses: actions/cache@v2
       with:
         path: node_modules
         key: ${{ runner.os }}-node-modules-${{ hashFiles('**/yarn.lock') }}