Add helm's quote function to various fields

The constellationUID is sometimes interpreted as integer if it contains
0e, as the yaml parsing interprets that as scientific notation.
Since it is a best practices to quote string fields anyways this patch
also quotes other fields where an actual string is required.

cli/internal/helm/testdata/GCP/constellation-operators/charts/constellation-operator/templates/deployment.yaml

@@ -70,7 +70,7 @@ spec:
         - name: CONSTEL_CSP
           value: GCP
         - name: constellation-uid
-          value: 42424242424242
+          value: "42424242424242"
         image: ghcr.io/edgelesssys/constellation/node-operator:v2.3.0-pre.0.20221125134926-1af3ff00adbc@sha256:fae7160eba0259d3dcbe974460ff983ae2c6cab18319a5b8ef585dd1630cb077
         livenessProbe:
           httpGet:

cli/internal/helm/testdata/GCP/constellation-services/charts/gcp-guest-agent/templates/daemonset.yaml

@@ -17,7 +17,7 @@ spec:
         k8s-app: gcp-guest-agent
     spec:
       containers:
-      - image: 
+      - image: gcpGuestAgentImage
         name: gcp-guest-agent
         resources: {}
         securityContext:

cli/internal/helm/testdata/GCP/constellation-services/charts/konnectivity/templates/daemonset.yaml

@@ -39,7 +39,7 @@ spec:
             fieldRef:
               apiVersion: v1
               fieldPath: status.hostIP
-        image: 
+        image: konnectivityImage
         livenessProbe:
           httpGet:
             path: /healthz