No Issue: Update Readme with steps to fix prepush hooks error

[Vishwa-Mozilla]

Updating Readme to include fix to error "Could not initialize class org.codehaus.groovy.runtime.InvokerHelper" which came up while running prepush hooks

Pull Request checklist

• Tests: This PR includes thorough tests or an explanation of why it does not
• Screenshots: This PR includes screenshots or GIFs of the changes made or an explanation of why it does not
• Accessibility: The code in this PR follows accessibility best practices or does not include any user facing features. In addition, it includes a screenshot of a successful accessibility scan to ensure no new defects are added to the product.

After merge

• Milestone: Make sure issues finished by this pull request are added to the milestone of the version currently in development.

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[codecov-io]

Codecov Report

Merging #10638 into master will decrease coverage by 0.00%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master   #10638      +/-   ##
============================================
- Coverage     19.20%   19.19%   -0.01%     
  Complexity      599      599              
============================================
  Files           360      360              
  Lines         14801    14801              
  Branches       2001     2001              
============================================
- Hits           2842     2841       -1     
- Misses        11699    11700       +1     
  Partials        260      260              

Impacted Files	Coverage Δ	Complexity Δ
...ix/home/sessioncontrol/SessionControlController.kt	71.17% <0.00%> (-0.91%)	0.00% <0.00%> (ø%)

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[kglazko]

I would also change the name of the commit and the PR title to something that makes it more clear that you're changing the readme (i.e. No Issue: Update README with steps to fix prepush hooks error). We like to use No Issue to indicate that there's no issue filed for this specific PR.

[kglazko]

Thank you for the changes! Looks great.