chore(Topology): UniformSpace.Completion renames for morphisms

[themathqueen]

• UniformSpace.Completion.mapRingHom -> UniformSpace.RingHom.completion
• [ ]

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Just starting this now so that I don't forget again. Will hopefully get to it soon.

See Zulip thread: #mathlib4 > naming convention: UniformSpace.Completion morphisms

[github-actions]

PR summary 447620bbe9

Import changes for modified files

No significant changes to the import graph

Import changes for all files

Files	Import difference

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Declarations diff

+ _root_.UniformSpace.RingHom.coe_completion
+ _root_.UniformSpace.RingHom.completion
+ _root_.UniformSpace.RingHom.completion_apply
+ _root_.UniformSpace.RingHom.completion_coe
+ _root_.UniformSpace.RingHom.completion_comp
+ _root_.UniformSpace.RingHom.completion_id

You can run this locally as follows

## summary with just the declaration names:
./scripts/pr_summary/declarations_diff.sh <optional_commit>

## more verbose report:
./scripts/pr_summary/declarations_diff.sh long <optional_commit>

The doc-module for scripts/pr_summary/declarations_diff.sh contains some details about this script.

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No changes to technical debt.

You can run this locally as

./scripts/reporting/technical-debt-metrics.sh pr_summary

• The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
• The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).