fix: bump gecko and mozilla in Dockerfile

[AAfghahi]

SUMMARY

This bumps geckodriver and mozilla in the docker file, which helps with some marionette issues that users have had.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

TESTING INSTRUCTIONS

ADDITIONAL INFORMATION

• Has associated issue:
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

[codecov]

Codecov Report

Merging #21995 (a6e3e4c) into master (72598a5) will increase coverage by 1.26%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #21995      +/-   ##
==========================================
+ Coverage   65.72%   66.99%   +1.26%     
==========================================
  Files        1809     1809              
  Lines       69335    69335              
  Branches     7413     7413              
==========================================
+ Hits        45571    46448     +877     
+ Misses      21853    20976     -877     
  Partials     1911     1911              

Flag	Coverage Δ
hive	52.90% <ø> (ø)
mysql	78.36% <ø> (ø)
postgres	78.42% <ø> (ø)
presto	52.80% <ø> (ø)
python	81.52% <ø> (+2.61%)	⬆️
sqlite	76.90% <ø> (ø)
unit	51.15% <ø> (?)

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

Impacted Files	Coverage Δ
superset/connectors/sqla/models.py	91.01% <0.00%> (+0.17%)	⬆️
superset/databases/api.py	93.53% <0.00%> (+0.30%)	⬆️
superset/sql_lab.py	82.12% <0.00%> (+0.38%)	⬆️
superset/views/base_api.py	98.44% <0.00%> (+0.38%)	⬆️
superset/db_engine_specs/presto.py	87.78% <0.00%> (+0.40%)	⬆️
superset/db_engine_specs/__init__.py	85.71% <0.00%> (+1.19%)	⬆️
superset/datasets/schemas.py	97.40% <0.00%> (+1.29%)	⬆️
superset/commands/exceptions.py	93.84% <0.00%> (+1.53%)	⬆️
superset/initialization/__init__.py	91.00% <0.00%> (+2.00%)	⬆️
superset/explore/commands/get.py	88.77% <0.00%> (+2.04%)	⬆️
... and 49 more

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