Add Azure CA ENV

Per this - https://github.com/Azure/azure-cli/issues/5099 - and other upstream docs, this should add the proper env to allow Azure Custom CA as well as AWS.

Addition to https://repo1.dso.mil/platform-one/big-bang/bigbang/-/issues/329

chart/templates/deployment.yaml

@@ -159,8 +159,13 @@ spec:
             {{- end }}
           {{- end }}
             {{- if not (empty .Values.configuration.backupStorageLocation.caCert) }}
+            {{- if eq $provider "aws" }}
             - name: AWS_CA_BUNDLE
               value: /etc/ssl/certs/ca-bundle.crt
+            {{- else if eq $provider "azure" }}
+            - name: REQUESTS_CA_BUNDLE
+              value: /etc/ssl/certs/ca-bundle.crt
+            {{- end }}
             {{- end }}
           {{- with .Values.configuration.extraEnvVars }}
           {{- range $key, $value := . }}
@@ -216,4 +221,4 @@ spec:
       affinity:
         {{- toYaml . | nindent 8 }}
     {{- end }}
-{{- end -}}
\ No newline at end of file
+{{- end -}}