Makefile: Use gcloud auth configure-docker instead of gcloud docker ... for test-images

[ptabor]

Makefile: Use gcloud auth configure-docker instead of gcloud docker ...

Needed for: #12732

[codecov-commenter]

Codecov Report

Merging #12873 (5ad8880) into master (f3c5180) will decrease coverage by 26.56%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           master   #12873       +/-   ##
===========================================
- Coverage   71.86%   45.30%   -26.57%     
===========================================
  Files         427      348       -79     
  Lines       33805    29128     -4677     
===========================================
- Hits        24294    13196    -11098     
- Misses       7559    14280     +6721     
+ Partials     1952     1652      -300     

Flag	Coverage Δ
all	45.30% <ø> (-26.57%)	⬇️

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

Impacted Files	Coverage Δ
client/v3/txn.go	0.00% <0.00%> (-100.00%)	⬇️
client/pkg/v3/types/id.go	0.00% <0.00%> (-100.00%)	⬇️
client/v3/ordering/util.go	0.00% <0.00%> (-100.00%)	⬇️
client/pkg/v3/logutil/zap.go	0.00% <0.00%> (-100.00%)	⬇️
client/pkg/v3/types/slice.go	0.00% <0.00%> (-100.00%)	⬇️
client/pkg/v3/fileutil/dir_unix.go	0.00% <0.00%> (-100.00%)	⬇️
client/pkg/v3/fileutil/read_dir.go	0.00% <0.00%> (-100.00%)	⬇️
client/pkg/v3/fileutil/sync_linux.go	0.00% <0.00%> (-100.00%)	⬇️
client/pkg/v3/tlsutil/cipher_suites.go	0.00% <0.00%> (-100.00%)	⬇️
client/pkg/v3/transport/sockopt_unix.go	0.00% <0.00%> (-100.00%)	⬇️
... and 290 more

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