[ci] fix jarsigner invocation — CLASSPATH env var and correct providerArg

Author: duncdrum

.github/workflows/ci-oidc-smoke.yml

@@ -80,12 +80,11 @@ jobs:
               -Dartifact=com.azure:azure-security-keyvault-jca:2.10.0:jar
           fi
           ls -la "$KV_JCA_JAR"
-          jarsigner \
+          CLASSPATH="$KV_JCA_JAR" jarsigner \
             -keystore NONE \
             -storetype AzureKeyVault \
             -providerClass com.azure.security.keyvault.jca.KeyVaultJcaProvider \
-            -providerArg "-J-Dazure.keyvault.uri=${AZURE_KEYVAULT_URI}" \
-            -J-cp -J"$KV_JCA_JAR" \
+            -providerArg "${AZURE_KEYVAULT_URI}" \
             -tsa http://timestamp.sectigo.com/ \
             /tmp/smoke/smoke.jar "$AZURE_KEYVAULT_CERT_NAME"
 

.github/workflows/ci-release.yml

@@ -236,12 +236,11 @@ jobs:
               -Dartifact=com.azure:azure-security-keyvault-jca:2.10.0:jar
           fi
           CERT_NAME="${{ vars.AZURE_KEYVAULT_CERT_NAME }}"
-          jarsigner \
+          CLASSPATH="$KV_JCA_JAR" jarsigner \
             -keystore NONE \
             -storetype AzureKeyVault \
             -providerClass com.azure.security.keyvault.jca.KeyVaultJcaProvider \
-            -providerArg "-J-Dazure.keyvault.uri=${AZURE_KEYVAULT_URI}" \
-            -J-cp -J"$KV_JCA_JAR" \
+            -providerArg "${AZURE_KEYVAULT_URI}" \
             -tsa http://timestamp.sectigo.com/ \
             "$JAR" "$CERT_NAME"
           jarsigner -verify -strict "$JAR"