chore(core): add exp backoff to almanac registration

[ejfitzgerald]

Proposed Changes

Add an exponential backoff to the agent registration with the almanac api - in addition extend the amount of retries to 10. The following table outlines the retry scheme implemented

Retry	Duration (seconds)
1	0.064
2	0.128
3	0.256
4	0.512
5	1.024
6	2.048
7	4.096
8	8.192
9	16.384
10	32.768
11	65.536
12	131.072
13	131.072
14	131.072
15	131.072

Linked Issues

[if applicable, add links to issues resolved by this PR]

Types of changes

What type of change does this pull request make (put an x in the boxes that apply)?

• Bug fix (non-breaking change that fixes an issue).
• New feature added (non-breaking change that adds functionality).
• Breaking change (fix or feature that would cause existing functionality to stop working as expected).
• Documentation update.
• Something else (e.g., tests, scripts, example, deployment, infrastructure).

Checklist

Put an x in the boxes that apply:

• I have read the CONTRIBUTING guide
• Checks and tests pass locally

If applicable

• I have added tests that prove my fix is effective or that my feature works
• I have checked that code coverage does not decrease
• I have added/updated the documentation

Further comments

[if this is a relatively large or complex change, kick off a discussion by explaining why you chose the solution you did, what alternatives you considered, etc...]

[jrriehl]

LGTM