CI: {caching,test,bench}: freeze: output result into log

Author: Anton-Latukha

.github/workflows/bench.yml

@@ -78,6 +78,10 @@ jobs:
       continue-on-error: true
       run: |
         cabal v2-freeze
+        echo ''
+        echo 'Output:'
+        echo ''
+        cat 'cabal.project.freeze'
 
     - name: Hackage sources cache
       uses: actions/cache@v2

.github/workflows/caching.yml

@@ -129,6 +129,10 @@ jobs:
         continue-on-error: true
         run: |
           cabal v2-freeze
+          echo ''
+          echo 'Output:'
+          echo ''
+          cat 'cabal.project.freeze'
 
       # 2021-12-02: NOTE: Cabal Hackage source tree storage does not depend on OS or GHC really,
       # but can depend on `base`.

.github/workflows/test.yml

@@ -127,6 +127,10 @@ jobs:
         continue-on-error: true
         run: |
           cabal v2-freeze
+          echo ''
+          echo 'Output:'
+          echo ''
+          cat 'cabal.project.freeze'
 
       - name: Hackage sources cache
         uses: actions/cache@v2