Fix loki writer config in README.md

[ronensc]

Reference:

flowlogs-pipeline/pkg/api/write_loki.go

Lines 28 to 31 in 9eedaa5

	type WriteLoki struct {
	URL string `yaml:"url,omitempty" json:"url,omitempty" doc:"the address of an existing Loki service to push the flows to"`
	TenantID string `yaml:"tenantID,omitempty" json:"tenantID,omitempty" doc:"identifies the tenant for the request"`
	BatchWait string `yaml:"batchWait,omitempty" json:"batchWait,omitempty" doc:"maximum amount of time to wait before sending a batch"`

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (914d470) 66.03% compared to head (2193147) 66.03%.
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #479   +/-   ##
=======================================
  Coverage   66.03%   66.03%           
=======================================
  Files          94       94           
  Lines        6921     6921           
=======================================
  Hits         4570     4570           
  Misses       2092     2092           
  Partials      259      259           

Flag	Coverage Δ
unittests	66.03% <100.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
pkg/api/encode_prom.go	100.00% <ø> (ø)
pkg/confgen/flowlogs2metrics_config.go	68.83% <100.00%> (ø)

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[ronensc]

/approve

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ronensc

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [ronensc]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment