Add missing ec2:DescribeLaunchTemplates permission

[bodgit]

This goes part way to fixing #194

[CLAassistant]

All committers have signed the CLA.

[codecov[bot]]

Codecov Report

Merging #200 (1d5ce44) into master (4da0472) will decrease coverage by 0.54%. The diff coverage is n/a.

:exclamation: Current head 1d5ce44 differs from pull request most recent head 3d7af89. Consider uploading reports for the commit 3d7af89 to get more accurate results

@@            Coverage Diff             @@
##           master     #200      +/-   ##
==========================================
- Coverage   69.48%   68.93%   -0.55%     
==========================================
  Files          12       11       -1     
  Lines        1088      940     -148     
==========================================
- Hits          756      648     -108     
+ Misses        294      260      -34     
+ Partials       38       32       -6     

Flag	Coverage Δ
unittests	68.93% <ø> (-0.55%)	:arrow_down:

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

Impacted Files	Coverage Δ
api/v1alpha1/rollingupgrade_types.go	66.66% <0.00%> (-31.64%)	:arrow_down:
controllers/rollingupgrade_controller.go	68.62% <0.00%> (-1.17%)	:arrow_down:
controllers/helpers.go	98.41% <0.00%> (ø)
api/v1alpha1/zz_generated.deepcopy.go	0.00% <0.00%> (ø)
controllers/common/metrics.go

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[eytan-avisror]

Looks like this cannot be rebased, @bodgit can you resend this PR?

[juniorz]

ec2:DescribeLaunchTemplateVersions also seems to be missing.