Update IEA Energy Balances

[fbenke-pik]

Update reference data to July 2024 data. This gives us an additional year (2022).
See comparison to July 2023 here: https://cloud.pik-potsdam.de/index.php/f/22077519

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.

Project coverage is 0.00%. Comparing base (72857cb) to head (8711136).
Report is 73 commits behind head on master.

Files with missing lines	Patch %	Lines
R/readIEA.R	0.00%	2 Missing ⚠️
R/convertIEA.R	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##           master    #123      +/-   ##
=========================================
- Coverage    0.11%   0.00%   -0.11%     
=========================================
  Files         312     239      -73     
  Lines       17261   12971    -4290     
=========================================
- Hits           20       1      -19     
+ Misses      17241   12970    -4271     

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