Try to fix variable replacement

Weather/SerialReader/deploy/azure-pipelines.yml

@@ -34,7 +34,9 @@ steps:
 - task: Bash@3
   inputs:
     targetType: 'inline'
-    script: 'sed -i s/{TAG}/${Build.BuildNumber}/ Weather/SerialReader/deploy/manifest.yaml'
+    script: 'sed -i s/#TAG#/$(TAG)/ Weather/SerialReader/deploy/manifest.yaml'
+  env:
+    Tag: $(Build.BuildNumber)
 
 - task: PublishBuildArtifacts@1
   inputs:

Weather/SerialReader/deploy/manifest.yaml

@@ -86,7 +86,7 @@ spec:
     spec:
       containers:
       - name: weather-serial-reader
-        image: ckaczor/home-monitor-weather-serialreader:{TAG}
+        image: ckaczor/home-monitor-weather-serialreader:#TAG#
         terminationMessagePath: "/dev/termination-log"
         terminationMessagePolicy: File
         imagePullPolicy: Always