feat: Enable PIE (Position Indepenet Executable)

[pbukva]

Proposed Changes

Enabling PIE in go compiler options.
The PIE feature is always enabled if the fetchd binary is built using all Makefile targets related to fetchd build (build, build-linux and install).

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

This change does not carry any changes in the source code. It only enables go compiler PIE feature.

[github-actions]

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https://fetch-docs-preview--pr442-fix-enable-pie-e34ysmj0.web.app

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[MissingNO57]

LGTM

[MissingNO57]

LGTM