Bring back webhook port (open-telemetry#2973)

* add back webhook port

* chlog

Author: jaronoff97

.chloggen/bring-back-wh-port.yaml

@@ -0,0 +1,16 @@
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: bug_fix
+
+# The name of the component, or a single word describing the area of concern, (e.g. collector, target allocator, auto-instrumentation, opamp, github action)
+component: operator
+
+# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Fixes an issue where the user can no longer set the webhook port
+
+# One or more tracking issues related to the change
+issues: [2923]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:

main.go

@@ -172,6 +172,7 @@ func main() {
 	pflag.StringVar(&encodeLevelKey, "zap-level-key", "level", "The level key to be used in the customized Log Encoder")
 	pflag.StringVar(&encodeTimeKey, "zap-time-key", "timestamp", "The time key to be used in the customized Log Encoder")
 	pflag.StringVar(&encodeLevelFormat, "zap-level-format", "uppercase", "The level format to be used in the customized Log Encoder")
+	pflag.IntVar(&webhookPort, "webhook-port", 9443, "The port the webhook endpoint binds to.")
 	pflag.Parse()
 
 	opts.EncoderConfigOptions = append(opts.EncoderConfigOptions, func(ec *zapcore.EncoderConfig) {