[7.10] go.mod: use upstream badger (#4631)

[axw]

Backports the following commits to 7.10:

• go.mod: use upstream badger (go.mod: use upstream badger #4631)

[codecov-io]

Codecov Report

Merging #4634 (1bec6dc) into 7.10 (d902a92) will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             7.10    #4634      +/-   ##
==========================================
+ Coverage   80.19%   80.21%   +0.02%     
==========================================
  Files         158      158              
  Lines        8660     8660              
==========================================
+ Hits         6945     6947       +2     
+ Misses       1715     1713       -2     

Impacted Files	Coverage Δ
processor/otel/consumer.go	94.02% <0.00%> (+0.44%)	⬆️

[apmmachine]

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Build stats

• Build Cause: Pull request #4634 opened

• • Start Time: 2021-01-19T00:26:18.619+0000

• Duration: 29 min 43 sec

• Commit: 1bec6dc

Test stats 🧪

Test	Results
Failed	0
Passed	4053
Skipped	142
Total	4195

Steps errors

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Compress

• Took 0 min 0 sec . View more details on here
• Description: tar --exclude=coverage-files.tgz -czf coverage-files.tgz coverage

Compress

• Took 0 min 0 sec . View more details on here
• Description: tar --exclude=system-tests-linux-files.tgz -czf system-tests-linux-files.tgz system-tests