[cicd] add pip caching for cross-language validation workflow

.github/workflows/cross-language-validation.yml

@@ -78,7 +78,6 @@ jobs:
       - name: Install build tools
         run: |
           sudo apt-get update
-          sudo apt-get -y upgrade --fix-missing
           sudo apt-get install -y build-essential
 
       - name: Set up Go
@@ -100,6 +99,10 @@ jobs:
         with:
           python-version: '3.x'
           cache: 'pip'
+          cache-dependency-path: 'server/samples/clients/python/requirements.txt'
+
+      - name: Install Python dependencies
+        run: pip3 install -r server/samples/clients/python/requirements.txt
 
       - name: Set up Node
         uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b # v4.0.3
@@ -161,6 +164,10 @@ jobs:
         with:
           python-version: '3.x'
           cache: 'pip'
+          cache-dependency-path: 'tests/cross-language/sidecar/requirements.txt'
+
+      - name: Install Python dependencies
+        run: pip3 install -r tests/cross-language/sidecar/requirements.txt
 
       - name: Initialize RDBMS based metastore
         run: |

tests/cross-language/scripts/decrypt_all.sh

@@ -45,7 +45,6 @@ go test -v -test.run '^TestDecryptFeatures$' -godog.paths=../features/decrypt.fe
 cd ..
 
 cd sidecar
-pip3 install -r requirements.txt
 echo "------------Decrypting data with Go sidecar and python client-----------"
 export ASHERAH_EXPIRE_AFTER=60m
 export ASHERAH_CHECK_INTERVAL=10m

tests/cross-language/scripts/encrypt_all.sh

@@ -45,7 +45,6 @@ go test -v -test.run '^TestEncryptFeatures$' -godog.paths=../features/encrypt.fe
 cd ..
 
 cd sidecar
-pip3 install -r requirements.txt
 echo "----------Encrypting payload with Go sidecar and python client----------"
 export ASHERAH_EXPIRE_AFTER=60m
 export ASHERAH_CHECK_INTERVAL=10m