fix: append `task option` at the end of script

[bednar]

trafficstars

Related to https://github.com/influxdata/influxdb-client-python/issues/490

Proposed Changes

Append task option at the end of script. It allows create task with following Flux:

procTotal = from(bucket: "example-bucket")
    |> range(start: -5m)
    |> filter(fn: (r) => r._measurement == "processes" and r._field == "total")

procTotal

Checklist

• [x] CHANGELOG.md updated
• [x] Rebased/mergeable
• [x] A test has been added if appropriate
• [x] mvn test completes successfully
• [x] Commit messages are conventional
• [x] Sign CLA (if not already signed)

[codecov-commenter]

Codecov Report

Merging #398 (46cd511) into master (7af2be8) will decrease coverage by 0.00%. The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master     #398      +/-   ##
============================================
- Coverage     88.22%   88.22%   -0.01%     
  Complexity      775      775              
============================================
  Files           172      172              
  Lines          6990     6987       -3     
  Branches        375      375              
============================================
- Hits           6167     6164       -3     
  Misses          712      712              
  Partials        111      111              

Impacted Files	Coverage Δ
...ava/com/influxdb/client/internal/TasksApiImpl.java	84.32% <100.00%> (-0.20%)	:arrow_down:

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