bump jmeter version to 5.6.2 - latest stable

[asos-benpearson]

Each PR must conform to Developer's Guide.

Quick checklist:

• Description of PR explains the context of change
• Unit tests cover the change, no broken tests
• No static analysis warnings (Codacy etc.)
• Documentation update ('available in the unstable snapshot' warning if necessary)
• Changes file inside site/dat/docs/changes directory, one-line note of change inside

[codecov]

Codecov Report

Merging #1747 (95713a6) into master (a6d9697) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #1747   +/-   ##
=======================================
  Coverage   89.32%   89.32%           
=======================================
  Files          70       70           
  Lines       18901    18901           
=======================================
  Hits        16882    16882           
  Misses       2019     2019           

Files Changed	Coverage Δ
bzt/modules/jmeter.py	85.68% <100.00%> (ø)

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[asos-benpearson]

Just a comment regarding this change, the install-tools is currently broken because the JMeter archive no longer containers version 5.4.3. See here : JMeter

bzt -install-tools -o modules.install-checker.include=jmeter

Results in the following means any new installs are broken

11:02:17 ERROR: Error while downloading https://dlcdn.apache.org//jmeter/binaries/apache-jmeter-5.4.3.zip: Unsuccessful download from https://dlcdn.apache.org//jmeter/binaries/apache-jmeter-5.4.3.zip
11:02:17 INFO: Downloading: https://dlcdn.apache.org//jmeter/binaries/apache-jmeter-5.4.3.zip
11:02:18 ERROR: Error while downloading https://dlcdn.apache.org//jmeter/binaries/apache-jmeter-5.4.3.zip: Unsuccessful download from https://dlcdn.apache.org//jmeter/binaries/apache-jmeter-5.4.3.zip
11:02:18 INFO: Downloading: https://archive.apache.org/dist/jmeter/binaries/apache-jmeter-5.4.3.zip
11:02:18 ERROR: Error while downloading https://archive.apache.org/dist/jmeter/binaries/apache-jmeter-5.4.3.zip: Unsuccessful download from https://archive.apache.org/dist/jmeter/binaries/apache-jmeter-5.4.3.zip
11:02:18 ERROR: Failed to instantiate module jmeter
11:02:18 ERROR: Child Process Error: There were errors while checking for installed tools for ['jmeter'], see details above

[RajendraP]

Faced same issue with my build as well -

[2023-09-12T16:26:51.849Z] 16:26:51 INFO: Will install JMeter into /root/.bzt/jmeter-taurus/5.4.3
[2023-09-12T16:26:51.849Z] 16:26:51 INFO: Downloading: https://dlcdn.apache.org//jmeter/binaries/apache-jmeter-5.4.3.zip
[2023-09-12T16:26:51.849Z] 16:26:51 ERROR: Error while downloading https://dlcdn.apache.org//jmeter/binaries/apache-jmeter-5.4.3.zip: Unsuccessful download from https://dlcdn.apache.org//jmeter/binaries/apache-jmeter-5.4.3.zip
[2023-09-12T16:26:51.849Z] 16:26:51 INFO: Downloading: https://dlcdn.apache.org//jmeter/binaries/apache-jmeter-5.4.3.zip
[2023-09-12T16:26:52.136Z] 16:26:51 ERROR: Error while downloading https://dlcdn.apache.org//jmeter/binaries/apache-jmeter-5.4.3.zip: Unsuccessful download from https://dlcdn.apache.org//jmeter/binaries/apache-jmeter-5.4.3.zip
[2023-09-12T16:26:52.136Z] 16:26:51 INFO: Downloading: https://archive.apache.org/dist/jmeter/binaries/apache-jmeter-5.4.3.zip